Water hardness products

GH+ increases the total hardness of water (mineral salts). Optimal GH should be above KH and usually above 8. Rainwater lowers GH. A value that is...

GH+ increases the total hardness of water (mineral salts). Optimal GH should be above KH and usually above 8. Rainwater lowers GH. A value that is...

KH+ increases the carbonate hardness of the water as well as the pH. An optimal KH is above 6°A and always below GH. Rainwater lowers the KH. Too ...

KH+ increases the carbonate hardness of the water as well as the pH. An optimal KH is above 6°A and always below GH. Rainwater lowers the KH. Too l...

Optiminera increases and stabilizes pH, GH and KH. Rich in natural minerals and trace elements. Optiminera's natural minerals optimize pH and har...