Tetra pH/KH Plus allows a precise and controlled increase of carbonate hardness (KH). The pH value depends on KH and carbon dioxide (CO2) content. If the CO2 level is constant, the pH value can only be influenced by the KH value.
5 ml per 20 l of aquarium water increase the KH by about 1°dH. For an increase of more than 1°dH adjust dosage, e.g. increase by 2°dH: 10 ml for 20 l. Maximum increase per day: 3°dH.
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