Carbonate hardness and pH value are important water parameters. You can easily regulate and maintain the constance of the carbontae hardness and the pH value by using sera KH/pH-plus. Forwards and during the addition the KH value should be tested. The increase of the KH should take place in small steps over several days.
100 ml for 600 hardness litersDo you have questions about this article ?
250 ml for 1500 hardness liters
5000 ml for 30000 hardness liters