To easily determine the total hardness
For about 420° dGH (x 1.78 = TH French value).
In case of too low total hardness, we recommend sera mineral salt. Too high total hardness can be lowered by mixing the water with osmosis water.
To obtain soft water, we recommend the addition of sera blackwater aquatan or filtration through sera super peat.
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Tests and Densimeters
Sera Water Hardness Test gH 15ml
Original price was: د.م. 90,00.د.م. 75,00Current price is: د.م. 75,00.
Weight | 0,08 kg |
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