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Aquarium Testing, Cleaning & Care Supplies
Compare aquarium test kits, water conditioners, cleaning tools, filters, and fish food. Choose equipment for your tank and the species you keep.
18 products
A stable aquarium starts with appropriate equipment and regular observation. Test results help you understand water conditions, while a dedicated siphon and cleaning tools make maintenance easier. Match heaters and filters to the tank and its inhabitants. A product labeled for freshwater should not automatically be used in every planted, shrimp, or amphibian setup.
18 products
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Photo: API Fishcare API Freshwater Master Test Kit
Liquid tests for pH, ammonia, nitrite and nitrate, the numbers that tell you if the tank is safe.
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Photo: Seachem Seachem Prime Water Conditioner
A concentrated conditioner that neutralizes chlorine and chloramine in tap water at water-change time.
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Photo: Tetra TetraMin Tropical Flakes
A staple flake food for most small tropical community fish.
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Photo: API API Algae Scraper for Glass Aquariums
Use the long-handled pad to clean wet glass aquarium walls. Keep grit off the pad and do not use it on acrylic.
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Photo: Marina Marina Aquarium Multi-Tool
Interchangeable gripping and trimming heads help reach plants and decorations during aquarium maintenance.
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Photo: Tetra Tetra Gravel Siphon
A siphon for appropriate aquarium maintenance. Check tank size and protect small inhabitants during cleaning.
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Photo: Fluval Fluval Plant and Shrimp Stratum
An aquarium substrate for suitable planted or shrimp setups. Check water-chemistry effects before changing an established tank.
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Photo: API Fishcare API Tap Water Conditioner
A conditioner for labeled aquarium uses. Dose for the actual water volume and follow the bottle instructions.
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Photo: Aqueon Aqueon Magnetic Algae Cleaner
A magnetic cleaner for compatible aquarium walls. Confirm the tank material and keep grit away from the cleaning surface.
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Photo: Zoo Med Zoo Med Digital Aquarium Thermometer
Read the water temperature directly inside the aquarium with a submersible digital thermometer and suction mount.
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Photo: Seachem Seachem Stability
An aquarium product for labeled biological-filtration uses. Follow directions and continue testing water during tank setup or changes.
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Photo: Aqueon Aqueon Large Filter Cartridges
Replacement cartridges for compatible Aqueon filters. Confirm the model and follow the filter's maintenance instructions.
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Photo: Penn-Plax Penn-Plax Airline Tubing
Airline tubing for compatible aquarium equipment. Check fitting sizes and arrange connections to prevent backflow.
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Photo: Tetra Tetra Whisper Bio-Bag Cartridges
Replacement media for compatible Whisper filters. Check cartridge size and follow the filter's maintenance guidance.
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Photo: Seachem Seachem Purigen
A filtration medium for labeled freshwater or saltwater uses. Check compatibility and handling instructions before adding it.
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Photo: Fluval Fluval Bug Bites Tropical Fish Food
A food option for compatible tropical fish. Match feeding to the species and avoid leaving excess food in the tank.
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Photo: Tetra Tetra Whisper 10 Aquarium Air Pump
An air pump for aquariums up to 10 gallons. Match tubing and check-valve placement to the installation instructions.
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Photo: Fluval Fluval BioMax Filter Media
Biological filter media for compatible aquarium filters. Confirm fit and follow maintenance instructions to protect the filter's function.
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Before you choose
- Check tank volume, freshwater or marine use, and the needs of every inhabitant before choosing equipment.
- Follow test-kit directions and dosing instructions. Do not use a conditioner or treatment as a substitute for investigating a water problem.
- Keep aquarium tools separate from household cleaning chemicals. Check equipment compatibility and safe electrical use around water.
Start with their care guide
How we choose
Care comes first
We select products for a specific care task, check the Amazon listing, and write our own short explanation. These are curated options, not hands-on reviews. A product appearing here does not mean it suits every animal or plant.
Check the current model, size, ingredients, instructions, price, and availability on Amazon before buying. All links go to Amazon US; delivery and product options may differ outside the United States.
Choose toys for your pet's size and supervise play. Ask your vet about food changes or products related to health. Keep fertilizers and pest treatments away from pets and follow the label.
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Put everyday care on a routine
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