API test kits are simple to use with accurate results. Comes in a snap tight, stay dry tube so your strips wont get wet. and offers moisture protection.

Highly accurate colour chart for precise test results. Chart colours are distinctive making the test results easy to read. 

Simply dip and read - water testing couldn't be easier.

Measures:

• pH

• Nitrite NO2

• Nitrate NO3

• Carbonate Hardness KH

• General Hardness GH

Contains 25 test strips.