Products

AQUA ESSENTIAL water conditioner is a highly concentrated all-in-one water conditioner that instantly makes tap water safe for fish by removing chl...

AQUA ESSENTIAL water conditioner is a highly concentrated all-in-one water conditioner that instantly makes tap water safe for fish by removing chl...

API Aquarium Salt, made from evaporated sea salt, is a must-have for your aquarium! Aquarium salt promotes fish health by improving gill function, ...

API Aquarium Salt, made from evaporated sea salt, is a must-have for your aquarium! Aquarium salt promotes fish health by improving gill function, ...

API Aquarium Salt, made from evaporated sea salt, is a must-have for your aquarium! Aquarium salt promotes fish health by improving gill function, ...

API Betta Water Conditioner 50mL - Chlorine Remover. A multi-purpose water treatment that instantly makes tap water safe for Bettas by removing...

API Bettafix is an all-natural, antibacterial medication for Bettas that should be used whenever your Betta exhibits signs of disease, such as woun...

Containing a superior blend of resins and activated carbon that removes aquarium pollutants – including colors, odors, heavy metals, and toxic gase...

Calcium is one of the most important elements in a reef aquarium. Reef invertebrates, such as corals, crustaceans, mollusks, and even some type of ...

Copper – a treatment for many parasitic infections – must be monitored in an aquarium or a pond. The copper level can drop too low for the treatmen...

The API pH Test & Adjuster Kit not only allows you to easily and accurately test the pH level in your freshwater aquarium, but also allows you ...

The API Freshwater Master Test Kit measures the 4 most important levels in freshwater aquariums quickly and accurately, including pH, high range pH...

The API pH Test Kit monitors pH to maintain healthy freshwater conditions in your tank. pH control is imperative to prevent the harmful effects of ...

When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat...

The API KH Carbonate Hardness Test Kit tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and prevent ...

API Leaf Zone contains iron & potassium for colorful leaves and a vibrant planted aquarium. Product is formulated for rapid absorption through ...

API Leaf Zone contains iron & potassium for colorful leaves and a vibrant planted aquarium. Product is formulated for rapid absorption through ...

API Melafix is an all-natural antibacterial treatment that works to treat infections in fish. Common bacterial infections are open wounds and abras...

API Melafix is an all-natural antibacterial treatment that works to treat infections in fish. Common bacterial infections are open wounds and abras...

API Melafix is an all-natural antibacterial treatment that works to treat infections in fish. Common bacterial infections are open wounds and abras...

API NITRA-ZORB filtration media is a ready-to-use filter media pouch that can be added to your filter to remove ammonia, nitrite, and nitrate. NITR...

High nitrate levels in your aquarium indicate a build-up of fish waste and organic compounds, resulting in poor water quality and an increase in al...

Nitrite is produced in the aquarium in the forms of fish waste, uneaten food, and by nitrifying bacteria in your aquarium’s natural cycle as it bre...

API pH DOWN lowers pH to make freshwater aquariums more acidic for fish and plants when levels rise too high. pH is the measure of acidic or alkali...