KH or carbonate hardness refers mainly to the quantity of carbonate ions (CO32-) and hydrogen carbonates (HCO3-) present in the water.
KH measures the buffering capacity of water, in other words, its ability to withstand variations in pH. The higher its value, the harder it will be to vary the pH.
KH values need to be adapted to those of the aquarium biotope.
When should GH+ be used ?
When KH values are not adapted to the aquarium biotope
How to use GH+ ?
One dose of KH+ increases the overall hardness of 100 liters (25 gal) of water by 3° KH. Close immediately after use. Keep out of reach of children.