| sera mineral salt for the increasing of water hardness in osmose water, pouring, and soft water. sera mineral salt contains the minerals occurring in natural waters in the biologically correct quantities. With sera mineral salt edited water is immediately usable. For the application in fresh and sea waters suitably. Dosage: normal dosage: 5 g/100 l water for soft water (e.g. Discus): 5 g/50 l water for hard water: (e.g. Malawie): 5 g/10 l water for marine water: 5 g/5 l water |
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