WE' VE MOVED! 📍 New Location: 6622 W. North Ave, Chicago, IL. 60707
WE' VE MOVED! 📍 New Location: 6622 W. North Ave, Chicago, IL. 60707
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Expertly curated aquatic life and premium habitats tailored for the serious hobbyist in the Chicagoland area.
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Trusted Brands for a Thriving Aquarium
Big Fish Aquarium is a premier aquatic pet store specializing in healthy live fish, custom reef tanks, and expert saltwater aquarium maintenance. Serving enthusiasts with the highest quality livestock and supplies since 2022, we invite you to shop our most trusted aquarium brands—selected by our team for quality and performance.
We carry top names like Fritz Aquatics, Ocean Nutrition, HYDROS, and Tropic Marin—known for reliable fish foods, water treatments, filtration, and reef care. Whether you’re running a freshwater tank or a saltwater reef, these brands are chosen for proven results and livestock safety.
All-For-Reef Powder is a high-quality, finely milled calcium and alkalinity supplement designed for reef aquaria. Formulated to help maintain stable calcium and carbonate hardness levels, this powder supports the growth and health of corals, coralline algae, and other calcifying organisms. Supplied in an ultra-concentrated 1600 g container, it is the ideal, cost-effective solution for advanced hobbyists and larger reef systems seeking consistent dosing and straightforward use.
Key benefits
Supports Coral Structure: Enhances skeletal growth and coloration by maintaining optimal calcium and alkalinity levels.
Stabilizes Water Parameters: Minimizes pH swings and promotes healthy calcification by stabilizing carbonate hardness (KH).
Dissolves Fast: Dissolves quickly in reverse osmosis (RO/DI) water with minimal clouding.
Versatile Dosing Options: Use for single-dose methods, two-part dosing, or mix into a concentrated stock solution for automatic dosing pumps.
Bulk Value: The large 1600 g size offers highly economical regular maintenance, reducing frequent repurchasing.
Specifications
Net weight: 1600 g
Form: Fine powder
Primary purpose: Calcium and alkalinity supplementation for reef aquaria
Intended users: Marine reef hobbyists, coral keepers, aquascapers
Suggested use
Two-part dosing: Use as part A or part B depending on your dosing protocol. Measure and dose according to test kit results or the manufacturer’s instructions.
Stock solution: Dissolve measured amounts in dechlorinated RO/DI water in a well-ventilated area. Allow complete dissolution and cool before transferring to a dosing container. Avoid mixing concentrated solutions of incompatible reagents.
Manual dosing: Dissolve the recommended dose in a cup of aquarium water and add slowly to a high-flow area of the tank to prevent localized spikes.
Dosage and testing
Test regularly: Monitor calcium and alkalinity with reliable test kits before adjusting any dosing schedules.
Follow guidelines: Base your dosing on target levels. Typical reef targets are calcium at 400–450 ppm and alkalinity at 7–9 dKH.
Adjust gradually: Change dosing incrementally and retest after 6–12 hours to monitor the impact. Maintain stable parameters rather than making rapid shifts.
Storage and safety
Keep dry: Store in a cool, dry place with the lid tightly closed to prevent moisture absorption and clumping.
Keep out of reach of children and pets.
Protect yourself: Avoid inhaling dust; use a mask or work in a well-ventilated area when handling the powder.
First aid: In case of skin or eye exposure, rinse thoroughly with water and seek medical advice if irritation persists.
Warnings
Not for human consumption.
Do not mix dry powders directly together; always dissolve separately and avoid combining concentrated solutions without guidance.
Use caution when dosing; overdosing can cause rapid parameter changes harmful to aquarium inhabitants.
What’s included
1 x 1600 g container of All-For-Reef Powder
Product label with basic usage and safety instructions
Why choose
All-For-Reef Powder provides a highly reliable and cost-effective way to maintain essential calcium and alkalinity levels needed for healthy coral growth. Its fine-particle formulation dissolves quickly for flexible dosing options. Choosing the 1600 g size offers the perfect balance of exceptional bulk value, long-lasting supply, and shelf-life stability for regular aquarium maintenance.
Ocean Nutrition Frozen Formula One RDF (Rapid Dispersion Formula) Cubes provide an outstanding, species-specific gourmet diet developed by aquaculture biologists to replicate the natural feeding patterns of carnivorous and omnivorous coral reef species. Unlike standard frozen diets, Formula One RDF features small, bite-sized food particles bound together by an innovative, highly digestible plant-and-marine gel. As the cube hits the water, the binder slowly dissolves to release an appealing drift of microscopic nutrients, giving fish at every level of the tank the perfect window to forage.
Key benefits
Replicates Natural Reef Feeding: Combines a diverse, high-protein seafood profile with marine algae to deliver the complex nutrition found on wild coral reefs.
Innovative RDF Gel Binder: A 95% digestible marine-sourced gel binder holds the cube's structure together, slowly releasing individual particles to minimize waste and prevent cloudy water.
Promotes Vivid Coloration: Naturally rich in marine carotenoids and pigments from real nori, kelp, and salmon eggs to bring out the bright, natural colors of your fish.
Supports Immune Health: Fortified with essential vitamins, trace minerals, and stabilized Vitamin C to build robust disease resistance and overall vitality.
Perfect for Hard-to-Feed Species: The physical dispersion and raw aroma of fresh marine proteins trigger an immediate feeding response from finicky carnivores and omnivores.
Specifications
Net weight: 3.5 oz (100 g)
Form: Frozen pop-out cubes (35 cubes)
Primary purpose: Daily primary diet for carnivorous and omnivorous reef fish
Water type: Saltwater / Marine Reef
Target Species: Ideal for marine angelfish, basslets, butterflyfish, cardinals, clownfish, damsels, anthias, gobies, blennies, and reef invertebrates.
Suggested use
Feeding frequency: Feed two to three times daily.
Portion control: Only feed what your fish can completely consume within 5 minutes. Immediately siphon out any remaining uneaten pieces to keep your water clean.
Feeding method: Do not thaw or rinse these cubes before feeding. They are specifically engineered to slowly dissolve in the tank. Simply drop a frozen cube directly into a high-flow area of your aquarium.
Important: Do not use a microwave or hot water to thaw frozen aquatic foods, as heat degrades the essential vitamins and proteins.
Ingredients
Mysis shrimp, plankton, gelatin, mussels, squid, salmon eggs, nori, kelp meal, yam, brine shrimp, lecithin, cochineal extract (added color), xanthan gum, paprika, fish oil, choline chloride, magnesium sulfate, iron, inositol, α-tocopherol acetate (source of vitamin E), zinc sulfate, manganese sulfate, calcium carbonate.
Guaranteed analysis
Crude Protein (min): 5.5%
Crude Fat (min): 1.2%
Crude Fiber (max): 0.2%
Moisture (max): 91.4%
Ash (max): 1.0%
Phosphorus (min): 0.1%
Storage and safety
Keep continuously frozen at 0°F (-18°C) or below.
Do not allow the product to thaw completely and refreeze, as this breaks down the nutritional structure.
Wash hands thoroughly with soap and water after handling frozen fish foods.
Keep out of reach of children and household pets.
Warnings
For aquarium use only. Not for human consumption.
What’s included
1 x Package of Ocean Nutrition Frozen Formula One RDF (3.5 oz / 35 Cubes)
Why choose
Ocean Nutrition Frozen Formula One RDF Cubes make feeding your marine community clean and highly effective. Instead of quickly breaking apart and sinking into the rockwork where it can rot, this specialized rapid dispersion formula slowly releases tiny, high-value seafood particles directly into the water column. Packed with mysis shrimp, squid, and immune-supporting vitamins, it offers the perfect, waste-minimizing way to keep your carnivorous and omnivorous reef fish healthy, active, and brilliantly colored.
The Hydros DC Solenoid Valve gives you precise control over water flow in your aquarium system. Designed to integrate seamlessly with Hydros controllers, this compact and reliable valve is ideal for applications such as automated top-off systems, dosing setups, and other water management tasks. Its low-voltage DC design ensures safe, energy-efficient operation, while durable construction provides long-lasting performance in marine and freshwater environments.
All-For-Reef Powder is a high-quality, finely milled calcium and alkalinity supplement designed for reef aquaria. Formulated to help maintain stable calcium and carbonate hardness levels, this powder supports the growth and health of corals, coralline algae, and other calcifying organisms. Supplied in an 800 g container, it's ideal for hobbyists and small to medium-sized systems seeking consistent dosing and straightforward use.
Key benefits
Supports Coral Structure: Enhances skeletal growth and coloration by maintaining optimal calcium and alkalinity.
Stabilizes Water Parameters: Minimizes pH swings and promotes healthy calcification by stabilizing carbonate hardness (KH).
Dissolves Fast: Dissolves quickly with minimal clouding when mixed properly.
Versatile Dosing Options: Use for single-dose methods, two-part dosing, or mix into a stock solution for dosing pumps.
Cost-Effective Maintenance: The 800 g size offers regular upkeep without the need for frequent repurchasing.
Specifications
Net weight: 800 g
Form: Fine powder
Primary purpose: Calcium and alkalinity supplementation for reef aquaria
Intended users: Marine reef hobbyists, coral keepers, aquascapers
Suggested use
Two-part dosing: Use as part A or part B depending on your dosing protocol. Measure and dose according to test kit results or the manufacturer's instructions.
Stock solution: Dissolve measured amounts in dechlorinated RO/DI water in a well-ventilated area. Allow complete dissolution and cool before transferring to a dosing container. Avoid mixing concentrated solutions of incompatible reagents.
Manual dosing: Dissolve the recommended dose in a cup of aquarium water and add slowly to a high-flow area of the tank to prevent localized spikes.
Dosage and testing
Test regularly: Monitor calcium and alkalinity with reliable test kits before adjusting any dosing schedules.
Follow guidelines: Base your dosing on target levels. Typical reef targets are calcium at 400–450 ppm and alkalinity at 7–9 dKH.
Adjust gradually: Change dosing incrementally and retest after 6–12 hours to monitor the impact. Maintain stable parameters rather than making rapid shifts.
Storage and safety
Keep dry: Store in a cool, dry place with the lid tightly closed to prevent moisture absorption and clumping.
Keep out of reach of children and pets.
Protect yourself: Avoid inhaling dust; use a mask or work in a well-ventilated area when handling the powder.
First aid: In case of skin or eye exposure, rinse thoroughly with water and seek medical advice if irritation persists.
Warnings
Not for human consumption.
Do not mix dry powders directly together; always dissolve separately and avoid combining concentrated solutions without guidance.
Use caution when dosing; overdosing can cause rapid parameter changes harmful to aquarium inhabitants.
What’s included
1 x 800 g container of All-For-Reef Powder
Product label with basic usage and safety instructions
Why choose
All-For-Reef Powder provides a reliable way to maintain essential calcium and alkalinity levels needed for healthy coral growth. Its fine particle formulation dissolves quickly for flexible dosing options, and the 800 g size offers a practical balance between value and shelf life for regular maintenance.
The Tropic Marin Professional PLUS ICP Seawater Laboratory Analysis provides the most complete snapshot of your reef tank’s water chemistry — covering more than 35 parameters, including major, minor, and trace elements critical for coral health.
Each kit includes everything you need to collect and send your sample to the Tropic Marin laboratory. Results are uploaded to your personalized online dashboard, showing detailed element readings and dosing guidance.
The PLUS version adds extended nutrient testing (including nitrate, nitrite, phosphate, and silicon), giving advanced aquarists deeper insights into system balance and coral nutrition.
Why We Like It:
Professional-grade testing that goes beyond basic ICP. Fast, easy, and accurate — a must-have for reef systems where precision matters.
Usage:
Collect your aquarium sample using the provided vial.
Register your kit on Tropic Marin’s ICP portal.
Ship the sample to the lab for analysis.
Receive detailed digital results within days — including recommendations for trace element correction.
Specifications:
Test Type: Laboratory ICP-OES seawater analysis
Parameters: Major, minor, trace, and nutrient elements
Sample Method: Pre-labeled collection vial and online submission
Analysis Time: Typically 5–7 business days
Online Access: Personalized dashboard for ongoing tracking
NUAqua Frozen Brine Shrimp Cubes are a highly nutritious, all-natural food option for a wide variety of freshwater and marine fish. Harvested at their nutritional peak and quickly frozen to preserve essential freshness, these premium brine shrimp act as an excellent feeding stimulant that is readily recognized as prey by almost all fish and invertebrates. Rich in natural proteins, lipids, and essential fatty acids, this clean-frozen food supports high energy levels, optimal growth, and robust overall health. Highly digestible and packed with natural color-promoting pigments, these cubes are perfect for tempting finicky eaters, conditioning breeding pairs, and adding crucial dietary variety to your aquarium.
Key benefits
All-Natural Aquatic Protein: Provides a clean, easily digestible source of premium proteins and essential lipids to support fish vitality and development.
Excellent Feeding Stimulant: The natural motion and raw aroma of thawed brine shrimp trigger an immediate feeding instinct in even the most selective or stressed fish.
Enhances Natural Colors: Rich in natural carotenoid pigments that help promote bright, vibrant coloration in both freshwater and marine species.
Convenient Portion Control: Pre-segmented cubes allow for quick, easy, and mess-free portioning to avoid accidental overfeeding.
Highly Digestible: Promotes optimal nutrient absorption, resulting in less metabolic waste and helping to maintain pristine water quality.
Specifications
Net weight: 100g (3.5 oz)
Form: Frozen cubes
Primary purpose: Daily supplemental feeding, color enhancement, and feeding stimulation
Water type: Freshwater and Saltwater
Intended users: Marine and freshwater hobbyists, reef keepers, and fish breeders
Suggested use
Feeding Frequency: Feed often, but only as much as your fish and invertebrates can completely consume within 3 minutes.
Thawing method: Drop the frozen cube directly into a high-flow area of the tank, or thaw the desired amount in a small cup of aquarium water before feeding.
Temperature Warning: Never use a microwave or hot water to thaw frozen foods, as heat degrades delicate vitamins and proteins.
Portion Control: Remove any uneaten food immediately to prevent nutrient spikes in your aquarium water.
Ingredients 100% whole brine shrimp, purified water.
Guaranteed Analysis
Crude Protein (min): 5.5%
Crude Fat (min): 1.2%
Crude Fiber (max): 0.2%
Moisture (max): 91.4%
Ash (max): 1.0%
Phosphorus (min): 0.1%
Storage and safety
Keep continuously frozen at 0°F (-18°C) or below.
Do not allow the product to fully thaw and then refreeze, as this breaks down its nutritional structure.
Wash hands thoroughly with soap and water after handling frozen fish foods.
Keep out of reach of children and household pets.
Warnings
For aquarium use only. Not for human consumption.
Avoid overfeeding, as decaying uneaten food will degrade water quality.
What’s included
1 x Pack of NUAqua Frozen Brine Shrimp Cubes (3.5 oz / 100g)
Why choose NUAqua Frozen Brine Shrimp Cubes are the gold standard for fresh, biologically appropriate supplemental feeding. Cleanly packaged and locked with raw aquatic nutrition, they make a perfect daily treat that satisfies the predatory drives of your aquarium inhabitants while ensuring zero compromise on tank water quality.
San Francisco Bay Brand Frozen Cyclops Cubes deliver a highly nutritious, single-ingredient diet consisting of clean, whole cyclops. These microscopic copepods are immediately cleaned, purged, and flash-frozen to retain their raw nutritional profile, amino acids, and high lipid levels. Because of their tiny physical size, Cyclops are an exceptional food source for freshwater fry, nano-sized fish, and saltwater reef systems. They allow you to feed small fish, corals, and marine invertebrates simultaneously, stimulating immediate feeding responses while supporting clean-water parameters.
Key benefits
Simultaneous Reef & Fish Feeding: Perfect microscopic sizing allows cyclops to drift throughout the water column, feeding small fish, corals, and filter-feeding invertebrates all at once.
High-Protein, Low-Fat Diet: Naturally rich in proteins and structural lipids that stimulate robust tissue growth and help juvenile fish build strong immune defenses.
Excellent Live-Food Alternative: Provides the exact organic texture, movement, and scent of live plankton to entice finicky eaters without the risk of introducing parasites or pathogens.
100% All-Natural Formulation: Contains zero cheap fillers, artificial preservatives, binders, or dyes—just pure, clean cyclops.
No-Mess Blister Packs: Segmented into convenient, pre-portioned pop-out cubes that seal out freezer burn and make daily dosing simple.
Specifications
Available Sizes: 1.75 oz (50 g) with 36 mini-cubes / 3.5 oz (100 g) with 30 cubes
Form: Frozen cubes
Primary purpose: Direct feeding for fry, small fish, corals, and filter-feeding invertebrates
Water type: Saltwater Reef and Freshwater Community Aquariums
Intended users: Nano tank keepers, reef hobbyists, breeders, and community aquarists
Suggested use
Feeding frequency: Feed daily as a primary food or multiple times per week as a supplemental treat alongside a balanced staple diet.
Portion control: Feed only what your fish, corals, and invertebrates can completely consume within 3 minutes. Adjust portion sizes to prevent waste.
Feeding method: For general feeding, pop a frozen cube directly into a high-flow area of the aquarium. For targeted reef feeding, dissolve a cube in a small cup of aquarium water and use a syringe or target feeder to deliver the copepods directly to corals.
Important: Do not thaw frozen food in hot water or a microwave, as this strips away fragile, heat-sensitive vitamins and structural proteins. Keep frozen until use.
Ingredients
Cyclops, water, guar gum.
Guaranteed analysis
Crude Protein (min): 2.5%
Crude Fat (min): 0.6%
Crude Fiber (max): 0.5%
Moisture (max): 96.0%
Ash (max): 0.8%
Phosphorus (min): 0.1%
Storage and safety
Store continuously in your freezer at 0°F (-18°C) or below.
Do not allow the product to fully thaw and then refreeze.
Wash hands thoroughly with soap and water after handling frozen fish foods.
Keep out of reach of children and household pets.
Warnings
For aquarium use only. Not for human consumption.
Highly recommended for baby fish (egg-layers and livebearers), small species (tetras, guppies, barbs), marine reef systems (corals, anemones, mandarins), and invertebrates (clams, jellyfish).
What’s included
1 x Package of San Francisco Bay Brand Frozen Cyclops Cubes (in your choice of 1.75 oz or 3.5 oz)
Why choose
San Francisco Bay Brand Frozen Cyclops Cubes make feeding delicate freshwater fry and complex marine reef systems simple and highly successful. Their microscopic profile mimics the natural organic drift found in the wild, triggering active feeding responses from corals and tiny fish that struggle with larger foods. Free from pathogens and processed under strict safety controls, these clean, pre-portioned cubes ensure your aquatic inhabitants receive peak nutrition without risking the health of your aquarium.
Aquael Platinum Heaters are designed to provide reliable temperature control for your aquarium. Known for their durability and efficiency, these heaters are suitable for both freshwater and marine environments.
Key features of Aquael Platinum Heaters include:
Fully Submersible Design: These heaters can be completely submerged, ensuring accurate temperature readings and consistent heating throughout the aquarium.
Adjustable Temperature Settings: With a user-friendly dial, you can easily set and maintain the desired water temperature for your aquatic life.
Safety Features: Equipped with an automatic shut-off function, these heaters prevent overheating, providing peace of mind for aquarium owners.
Compact Size: Their sleek design allows for easy installation in a variety of tank sizes, making them a flexible option for different aquarium setups.
Crystal Clear Indicator: The built-in LED indicator clearly shows when the heater is active, ensuring you can monitor its functionality at a glance.
When maintaining an optimal environment for your fish and plants, Aquael Platinum Heaters are a trusted choice for aquarium enthusiasts looking for quality and reliability.
Arag-Alive Bahamas Oolite by CaribSea is a premium substrate designed specifically for marine aquariums. This product is composed of naturally occurring aragonite sand, which is essential for maintaining optimal pH levels and ensuring a healthy environment for reef inhabitants.
The fine texture of the oolite grain size allows for excellent water flow and promotes beneficial biological activity. Its bright, white color not only enhances the aesthetic appeal of your aquarium but also reflects light beautifully, contributing to the overall vibrancy of the marine life within.
In addition to its aesthetic benefits, Arag-Alive Bahamas Oolite is packed with live spores of beneficial bacteria, ensuring that your aquarium's nitrogen cycle is established quickly and effectively. This feature makes it an excellent choice for both new setups and for boosting existing systems.
When using Arag-Alive Bahamas Oolite, you can expect improved water clarity and healthier coral growth, all while providing a natural habitat for your aquatic organisms. Choose this substrate for a thriving and visually stunning marine environment.
The Sera NO3-Test is a reliable and effective tool for measuring nitrate levels in your aquarium. Each kit contains 15 ml of liquid reagent that allows you to quickly assess nitrate concentrations, ensuring a healthy environment for your aquatic life.
Monitoring nitrate levels is crucial, as elevated nitrates can lead to algae growth and stress in fish. This test is suitable for both freshwater and marine aquariums, providing accurate readings in just a few simple steps. Regular testing helps you maintain optimal water quality and supports the overall well-being of your tank's inhabitants.
For best results, follow the manufacturer’s instructions carefully and perform the test regularly, especially after water changes or when noticing changes in tank conditions. The Sera NO3-Test is a valuable addition to your aquarium maintenance toolkit.
Fritz Maracyn Oxy is a fast-acting, non-antibiotic liquid treatment designed to eliminate true fungal infections and certain bacterial diseases in both freshwater and saltwater aquariums. Fungal infections—often recognized as fuzzy, cotton-like white growths on the fins, mouth, or body—commonly take hold after fish suffer a parasite attack or physical injury. Maracyn Oxy works by slowly releasing a stabilized oxygen-chlorine combination that targets fungal pathogens and harmful bacteria on contact without disrupting your biological filter, discoloring your water, or requiring carbon removal.
Key benefits
Effective Fungal & Bacterial Treatment: Quickly controls true fungus infections (such as Saprolegnia and Ichthyosporidium) as well as egg fungus and mild bacterial infections.
Non-Antibiotic Liquid Formula: Offers a gentle yet highly effective alternative to traditional antibiotics, preventing the development of drug-resistant pathogens.
Safe for Most Invertebrates: Formulated to be safe for plants, shrimp, snails, crabs, and other invertebrates (not suitable for starfish or related echinoderms).
Does Not Impact Biological Filter: Extensively tested to ensure it has no adverse effects on beneficial, nitrifying bacteria strains.
No Messy Cleanup: Liquid dose dissolves instantly without staining aquarium decorations, clouding the water, or requiring you to remove activated carbon from your filter.
Specifications
Size: 16 fl oz (473 mL)
Total Treatment Capacity: Treats up to 1,888 gallons (7,147 liters) of water
Form: Liquid
Water type: Freshwater and Saltwater
Manufacturer Item Number: 44060
Suggested use
Dosing instructions: Add 1/2 capful (2.5 mL) per 10 gallons (38 L) of aquarium water. For smaller setups, use 5 drops per gallon.
Treatment duration: Repeat dosing daily as needed for up to 5 days. Do not perform water changes during the course of treatment.
Equipment adjustments: Switch off UV sterilizers and ozone generators during treatment. Protein skimmers may remain running but should be monitored for excessive foaming.
Filtration: Normal mechanical and chemical filtration (including activated carbon) can remain active during treatment.
Overdose relief: If an accidental overdose occurs, neutralize the medication immediately using an aquarium dechlorinator (such as Fritz Complete, FritzGuard, or Fritz A.C.C.R.).
Ingredients
Active Ingredients: Stabilized oxygen-chlorine combination.
Guaranteed analysis
Stabilized Chlorine Dioxide / Oxygen-Chlorine Compounds: Concentrated liquid formula.
Storage and safety
Store in a cool, dry place away from direct sunlight.
Keep the bottle tightly closed when not in use.
Keep out of reach of children and household pets.
Warnings
For aquarium fish use only. Not for human consumption.
Do not use with starfish, sea urchins, or related echinoderms.
First Aid: In case of skin contact, flood skin with plenty of water. For eye contact, flush eyes immediately with water and contact a physician. If swallowed, drink large quantities of milk and seek immediate medical attention.
What’s included
1 x Bottle of Fritz Mardel Maracyn Oxy (16 oz / 473 mL)
Why choose
Fritz Maracyn Oxy provides a clean, stress-free path to recovery for sick fish and infected eggs. Because it relies on a specialized oxygen-chlorine compound rather than heavy antibiotics, it targets fungal growths quickly without threatening your tank's biofilter or staining your equipment. The 16 oz bottle is the perfect size for larger aquariums or multiple tanks, delivering highly effective, broad-spectrum protection that keeps your aquatic environment clear and healthy.
Fritz Expel-P is a safe, fast-acting anthelmintic (deworming) medication and immunostimulant designed to treat internal parasites in both freshwater and saltwater aquariums. Powered by Levamisole HCl, Expel-P is highly effective against parasitic worms such as nematodes, roundworms, nodular worms, and hookworms (including stubborn Camallanus red worms). In addition to treating fish internally, this versatile treatment boosts your fish’s immune competence to aid recovery and can even be utilized as an effective coral dip to rid marine corals of flatworms and pest nudibranchs.
Key benefits
Powerful Deworming Action: Targets and eliminates difficult internal parasites, including nematodes, roundworms, and hookworms.
Boosts Immune System: Acts as an immunostimulant to help recovering fish rebuild their natural defenses and resist secondary infections.
Versatile Coral Dip: Can be used outside the tank as a targeted dip to safely clear corals of destructive flatworms and pest nudibranchs.
Safe for Biological Filters: Will not disrupt nitrifying bacteria, preserving your aquarium’s beneficial bio-filter during treatment.
Invertebrate and Plant Safe: Formulated to be safe for live plants and aquarium invertebrates like shrimp, crabs, and most snails.
Specifications
Count: 20 powder packets
Active Ingredient: Levamisole Hydrochloride (113 mg per packet)
Form: Fast-dissolving powder
Water type: Freshwater and Saltwater (Marine Reef or Fish-Only)
Manufacturer SKU: FTZ75090001
Suggested use
Dosing instructions: Use 1 packet of Expel-P per 10 gallons (38 L) of aquarium water.
Treatment process: Keep aquarium lights turned off during the first 24 hours of treatment, as the active ingredient is light-sensitive. Maintain adequate water flow and aeration.
Water change: Perform a 25% water change 24 hours after dosing, taking care to vacuum the substrate to remove excreted parasites.
Follow-up: Repeat the treatment exactly one week later to eliminate any newly hatched parasites and prevent reinfection.
Coral Dip instructions: Mix 3 packets of Expel-P per 2 gallons (8 L) of saltwater. Dip affected corals for up to 30 minutes with gentle water flow, then return them to the display tank. (Note: Dip does not affect eggs; repeat weekly for up to 3 weeks if needed).
Ingredients
Active Ingredient: Levamisole Hydrochloride (113 mg per packet).
Guaranteed analysis
Active Levamisole HCl per packet: 113 mg
Storage and safety
Store in a cool, dry place away from direct sunlight.
Keep packets sealed until ready for use.
Keep out of reach of children and household pets.
Warnings
For use with ornamental aquarium organisms only. Not for human consumption.
Do not use in the presence of ornamental worms (such as Feather Duster worms). Some sensitive snail species may be temporarily affected but will recover.
What’s included
1 x Box of Fritz Expel-P (20 Powder Packets)
Why choose
Fritz Expel-P offers a reliable, multi-use deworming solution that does not cloud or discolor your aquarium water. By combining an active anthelmintic with an immune booster, it helps sick, wasted, or bloated fish recover quickly from exhausting parasitic loads. The pre-measured, individual packets provide precise dosing for systems of any size, giving you a clean, worry-free way to keep your aquatic inhabitants healthy.
TROPIC MARIN ®
〰️
SICCE
〰️
OCEAN NUTRITION
〰️
CORALVUE
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TROPIC MARIN ® 〰️ SICCE 〰️ OCEAN NUTRITION 〰️ CORALVUE 〰️
Now In Stock: Explore Our Latest General Livestock Arrivals
The Amphiprion Ocellaris - False Percula Clown (Tank Bred) is a spectacular centerpiece for the modern reef aquarium, known for its brilliant coloration and sophisticated social behavior. Characterized by a vibrant orange body and three strikingly white vertical bands outlined in thin black margins, this species is a masterclass in reef aesthetics. In the "Answering Machine" era of saltwater husbandry, the False Percula Clown is highly prized for its peaceful temperament, legendary hardiness, and its ability to cohabit beautifully with other peaceful reef residents and hosting anemones.
Unlike many wild-caught species, these Tank Bred specimens are acclimated to aquarium life from day one, making them more resilient and environmentally sustainable. They are active swimmers that typically hover near their chosen territory or host, providing a constant display of color and classic movement that has made them the most iconic fish in the hobby.
Note: Images shown are stock images and not the actual fish you will receive.
Quick Specs
Care Level: Easy
Temperament: Peaceful
Minimum Tank Size: 20 Gallons
Diet: Omnivore
Reef Compatible: Yes
Max Size: 3.5 Inches
Water Conditions: 72 to 78°F, dKH 8 to 12, pH 8.1 to 8.4, sg 1.020 to 1.025
Husbandry Notes
The False Percula Clown is an ideal candidate for any community reef tank or nano setup. While they are famous for their symbiotic relationship with anemones like the Bubble Tip (Entacmaea quadricolor), they do not require one to thrive and will often host in corals or specific rockwork. They are high-metabolism fish and should be fed a varied diet of high-quality pellets, flakes, and frozen meaty foods—such as mysis and vitamin-enriched brine shrimp—at least twice daily. Being tank-bred, they are generally less aggressive and more social than their wild counterparts, but only one pair should be kept per tank unless the system is large enough to support multiple territories.
Expert Shipping & Logistics
We’ve dialed in the logistics for national Overnight Delivery to ensure your livestock arrives in peak condition. Every order is packed using professional-grade insulation and climate-contingent heat or ice packs, designed to maintain stable temperatures throughout the journey. We handle the technical side of the move so you can focus on the acclimation. Our protocol is built on getting these fish from the facility to your tank with zero compromise on health or vitality.
The Ancistrus Sp. - Lemon Drop Bushynose Pleco is a spectacular centerpiece for the modern planted or community aquarium, known for its brilliant coloration and sophisticated social behavior. Characterized by a vibrant, high-contrast yellow-to-lemon body and the signature "bristled" snout of the Ancistrus genus, this species is a masterclass in freshwater aesthetics. In the "Answering Machine" era of specialized husbandry, the Lemon Drop Bushynose is highly prized for its peaceful temperament and its ability to cohabit beautifully with other peaceful community residents while serving as an elite algae-control specialist.
Unlike many larger pleco species that outgrow home aquaria, the Lemon Drop remains a manageable size, making it ideal for established setups. They are exceptionally efficient grazers that occupy the lower levels of the water column and surfaces of hardscape, providing a constant display of color and utility.
Note: Images shown are stock images and not the actual fish you will receive.
Quick Specs
Care Level: Easy
Temperament: Peaceful
Minimum Tank Size: 30 Gallons
Diet: Herbivore / Omnivore
Reef Compatible: N/A (Freshwater)
Max Size: 4.5 to 5 Inches
Water Conditions: 72 to 78°F, dKH 6 to 10, pH 6.5 to 7.5
Husbandry Notes
The Lemon Drop Bushynose Pleco is an ideal candidate for a community planted tank. While they do not require a sand bed for sleeping, they do require plenty of driftwood and rockwork with caves and crevices to feel secure and to assist in their digestive processes. They are high-metabolism algae eaters and should be fed a varied diet of sinking algae wafers, spirulina pellets, and blanched vegetables—such as zucchini or cucumber—at least once daily. They are generally hardy, but a stable environment with high oxygenation is mandatory for their long-term vitality.
Expert Shipping & Logistics
We’ve dialed in the logistics for national Overnight Delivery to ensure your livestock arrives in peak condition. Every order is packed using professional-grade insulation and climate-contingent heat or ice packs, designed to maintain stable temperatures throughout the journey. We handle the technical side of the move so you can focus on the acclimation. Our protocol is built on getting these fish from the facility to your tank with zero compromise on health or vitality.
The Assassin Snail (Anentome helena) is a powerhouse addition to any freshwater aquarium, blending high-impact aesthetics with essential utility. Featuring a striking, conical shell adorned with bold, alternating bands of dark chocolate brown and vibrant yellow, this industrious invertebrate is a master of the "biological pest control" era of fish keeping—serving as a natural control for nuisance snail populations. It is a dedicated and calculating substrate dweller, making it a functional cornerstone of a healthy freshwater ecosystem.
This hardy snail thrives in mature, established systems with a sandy or fine-gravel substrate that allows for natural burrowing behavior. While entirely peaceful toward fish, shrimp, and plants, its bold personality and predatory instincts mean it will actively hunt down unwanted trumpet, ramshorn, and pond snails, tirelessly searching for prey beneath the surface. To ensure long-term health when pest snails are eliminated, provide a supplemental diet rich in high-quality sinking carnivore pellets, protein-heavy wafers, and frozen bloodworms. Ensure your aquarium maintains a steady supply of calcium and moderate water hardness, as these mineral conditions are essential for maintaining its robust shell integrity and long-term vitality.
Note: Images shown are stock images and not the actual invertebrate you will receive.
Quick Specs
Care Level: Easy
Temperament: Peaceful (except toward other snails)
Minimum Tank Size: 5–10 Gallons
Diet: Carnivore / Predatory
Plant Compatible: Yes
Max Size: 1 Inch
Water Conditions: 70 to 80°F, KH 8 to 15, pH 7.0 to 8.0
Husbandry Notes
The Assassin Snail is a strategic choice for hobbyists looking for "functional biological management" without resorting to harsh chemical treatments. Its specialized hunting behavior—where it utilizes an extensible proboscis to cleanly consume target snails—adds a layer of fascinating, natural balance to the lower tank levels. In the context of modern aquascaping, it is widely considered the ultimate "nano-utility cleanup" species for maintaining pristine glass and foliage while naturally aerating the substrate during its burrowing phases. For maximum success, avoid keeping them with aggressive visual predators like puffers or large loaches, and ensure copper-based medications are never introduced to the environment to facilitate their inherent confidence and health.
Expert Shipping & Logistics
We’ve dialed in the logistics for national Overnight Delivery to ensure your livestock arrives in peak condition. Every order is packed using professional-grade insulation and climate-contingent heat or ice packs, designed to maintain stable temperatures throughout the journey. We handle the technical side of the move so you can focus on the acclimation. Our protocol is built on getting these unique invertebrates from the facility to your tank with zero compromise on health or vitality.
The Bursa Triggerfish, also known as the Blackbelly Trigger or Picasso Trigger (V-pattern variant), is a robust and intelligent addition to the aggressive marine display. Featuring a tan body with a distinctive dark patch on its abdomen and a striking "V" marking near the tail, this species is a centerpiece of character. In the "Answering Machine" era of saltwater husbandry, the Bursa Trigger is celebrated for its interactive personality—often recognizing its owner and displaying high levels of curiosity.
This is a powerful swimmer and an opportunistic predator. While it is incredibly hardy, its "rock-moving" tendencies and appetite for invertebrates make it a species best suited for a dedicated predator tank or a fish-only-with-live-rock (FOWLR) system. It requires a spacious environment with plenty of filtration to handle its high metabolism.
Note: Images shown are stock images and not the actual fish you will receive.
Quick Specs
Care Level: Easy
Temperament: Aggressive
Minimum Tank Size: 75 Gallons
Diet: Carnivore
Reef Compatible: No
Max Size: 10 Inches
Water Conditions: 72 to 78°F, dKH 8 to 12, pH 8.1 to 8.4, sg 1.020 to 1.025
Husbandry Notes The Bursa Trigger requires a diet rich in meaty foods to maintain its health and dental structure. Feed a variety of hard-shelled shrimp, krill, clams, and squid to help wear down its ever-growing teeth. They are notorious for rearranging aquarium décor and may bite at heaters or airline tubing, so ensure all equipment is well-secured or hidden behind rockwork. Due to their territorial nature, they should be housed with other large, aggressive species like large Tangs, Eels, or Groupers.
Expert Shipping & Logistics We’ve dialed in the logistics for national Overnight Delivery to ensure your livestock arrives in peak condition. Every order is packed using professional-grade insulation and climate-contingent heat or ice packs, designed to maintain stable temperatures throughout the journey. We handle the technical side of the move so you can focus on the acclimation. Our protocol is built on getting these fish from the facility to your tank with zero compromise on health or vitality.
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Included:
$20 Livestock coupon every month
10 gallons of free RO freshwater with $10 purchase
7-day guarantee on fish out of QT Free advanced water tests
10% Discount on all purchases
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