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This liquid water treatment is formulated to raise pH levels in freshwater aquariums when values drop too low for the fish being kept. The colorles...

This liquid water treatment is formulated to raise pH levels in freshwater aquariums when values drop too low for the fish being kept. The colorles...

The kit uses two liquid reagents that react with a water sample to produce a color change corresponding to nitrate concentration. A glass test tube...

Micro filtration pads for use in the api filstar xp. Cotton pad that removes small particles before the water is returned to the aquarium.

This conditioner is a liquid additive designed to convert ordinary tap water into a safe environment for betta fish. It works on contact to neutral...

This water treatment is a concentrated liquid solution designed for saltwater and reef aquarium use. It targets multiple algae types, including gre...

Api goldfish pellets contains a rich blend of carotenoids, including spirulina and carrot, to enhance the vibrant colors of your fish, in addition ...

This aquarium treatment is a quick dissolving erythromycin powder formulated to control a range of bacterial infections in fish, including body sli...

This sinking pellet fish food is formulated for bottom-feeding aquarium fish, including catfish, loaches and plecos, and is also accepted by many o...

This sinking pellet fish food is formulated for bottom-feeding aquarium fish, including catfish, loaches and plecos, and is also accepted by many o...

This sinking pellet fish food is formulated for bottom-feeding aquarium fish, including catfish, loaches and plecos, and is also accepted by many o...

This water conditioner is a liquid treatment designed for use in betta bowls and freshwater aquariums. It works on contact to neutralize chlorine, ...

This kit uses a liquid reagent to measure the acidity or alkalinity of freshwater aquarium water. Each kit includes a bottle of pH test solution, a...

This start-up pack pairs a water conditioner with a nitrifying bacteria supplement to prepare aquarium water before fish are introduced. The condit...

This aquarium salt is produced by evaporating natural sea water, leaving behind the mineral content fish rely on for healthy gill function. It is i...

This aquarium salt is produced by evaporating natural sea water, leaving behind the mineral content fish rely on for healthy gill function. It is i...

This aquarium salt is produced by evaporating natural sea water, leaving behind the mineral content fish rely on for healthy gill function. It is i...

Api nitra-zorb is a ready-to-use filter media pouch that can be added to your filter to remove ammonia, nitrite, and nitrate. Nitra-zorb is made of...

This kit uses a salicylate-based liquid reagent method to measure dissolved ammonia in aquarium water, reading across a 0 to 8 ppm range. It includ...

Each strip is a single-use paper test designed to detect dissolved ammonia in aquarium or pond water. The strip is dipped directly into the tank wi...

This conditioner is a clear liquid formula dosed directly into aquarium water using the graduated cap included on the bottle. It works on contact t...

This conditioner is a clear liquid formula dosed directly into aquarium water using the graduated cap included on the bottle. It works on contact t...

API Melafix is a botanical liquid treatment formulated with melaleuca (tea tree) extract for use in freshwater and saltwater aquariums. It is added...

API Melafix is a botanical liquid treatment formulated with melaleuca (tea tree) extract for use in freshwater and saltwater aquariums. It is added...

API Melafix is a botanical liquid treatment formulated with melaleuca (tea tree) extract for use in freshwater and saltwater aquariums. It is added...

This algae scraper features an 18-inch handle that lets aquarium keepers reach into the tank while keeping their hands dry. A scrubbing pad address...

The pad is a compact, durable scrubber sized for use directly in hand rather than mounted on a pole or magnet, giving the user close control over p...

API General Cure is a quick-dissolve powder formulated for freshwater aquarium use, combining two active ingredients that work together against a b...

This kit uses liquid reagents and glass test tubes to check tap water and aquarium water for the parameters that matter most to freshwater fish. Ea...

These test strips are designed to measure pH, nitrite, nitrate, carbonate hardness, and general hardness in a single dip, giving a quick snapshot o...

These test strips are designed to measure pH, nitrite, nitrate, carbonate hardness, and general hardness in a single dip, giving a quick snapshot o...

This product is a powdered antibacterial treatment for freshwater aquariums, supplied as individually measured packets that are dissolved directly ...