1000mlA pond environment can only be stable and healthy if the total mineral hardness is at least 8° DH. In soft water, biological processes will stagnate and there is a possibility that environment will acidify. However, for the growth of the plants and the development of micro-organisms, plus the quality of the mineral balance, is of vital importance.Mineral Plus helps balance pond minerals and increases hardness. Mineral Plus solely contains natural minerals and trace elements, it is environment-friendly and suitable for ecologically safe pond maintenance.