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

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

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 ...

The API High Range pH Test Kit measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API High ...

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...

The API Ammonia Test Kit measures ammonia to help prevent fish loss, as ammonia is the number one stressor and killer of tropical fish. Ammonia is ...

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...

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

The smarter way to treat algae.Especially effective algae control for BBA, hair/string/fuzz and most forms of filamentous algae.Gently biodegrades ...

The smarter way to treat algae. Especially effective for BBA, hair/string/fuzz and most forms of filamentous algae. Gently biodegrades completely...

Flagship plant supplement. Comprehensive macro, micro and trace elements. Richer colours, faster growth, less algae. APT 3 (APT Complete) contains ...

Flagship plant supplement. Comprehensive macro, micro and trace elements. Richer colours, faster growth, less algae. APT 3 (APT Complete) contains ...

Flagship plant supplement. Comprehensive macro, micro and trace elements. Richer colours, faster growth, less algae. APT 3 (APT Complete) contains ...

Tackle the most demanding plants, or just enjoy everyday magic in new tanks with aquasoil, and aquariums with more fish. The easiest way to unlock ...

Tackle the most demanding plants, or just enjoy everyday magic in new tanks with aquasoil, and aquariums with more fish. The easiest way to unlock ...

Tackle the most demanding plants, or just enjoy everyday magic in new tanks with aquasoil, and aquariums with more fish. The easiest way to unlock ...

Comprehensive liquid fertiliser designed for tanks following the Estimate Index approach to dosing. For heavily planted Dutch Tanks APT e (APT Esti...

Comprehensive liquid fertiliser designed for tanks following the Estimate Index approach to dosing. For heavily planted Dutch Tanks APT e (APT Esti...

The 360o water conditioner. Comprehensive and super-concentrated formula removes chlorine & chloramines and detoxifies heavy metals, ammonia, n...

The 360o water conditioner. Comprehensive and super-concentrated formula removes chlorine & chloramines and detoxifies heavy metals, ammonia, n...

Amazonia Ver.2 uses black soil for a raw material and it stands out against the leaf color of aquatic plants, and also includes Amazonia Supplement...

Amazonia Ver.2 uses black soil for a raw material and it stands out against the leaf color of aquatic plants, and also includes Amazonia Supplement...