AQUAYER test GН – test kit for accurate determination of general hardness (GH) of aquarium water.
1 drop of the reagent = 1 degree of general hardness;
Soft water – less ther 6°;
Medium hardness – 6-12°;
Hard water – more then 12°;
Soft water – less ther 6°;
Medium hardness – 6-12°;
Hard water – more then 12°;