API

PRODUCT SUMMARY: The API® Saltwater Master Test Kit measures the 4 most important saltwater parameters – pH, ammonia, nitrite, and nitrate – to ...

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

Phosphate can enter your aquarium or pond through tap water, fish waste, and decaying organics such as uneaten food and dead algae. Excess phosphat...

API Quick Testing Strips 5 in 1 25 pack Contains GH / KH / PH / NO2 / NO3 25 strips per pack (243 units to a box)

PRODUCT SUMMARY: Use the API® pH Aquarium Test Strips as a quick and accurate way to test pH levels in your water. These test strips measure a w...

Ammonia is an extremely toxic compound which in high enough quantities can be fatal to any living being inside your aquarium. It is produced by fis...

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 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 ...

API Super Activated Carbon makes your aquarium crystal clear with its premium-grade, high porosity carbon for maximum absorption and minimal aquari...