NT Koi Care Gh & Minerals

NT Koi Care Gh & Minerals

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Maintaining a general hardness of at least 8 degrees helps to keep the biological processes working properly thus avoiding stagnation and acidification. The calcium and magnesium forming the general hardness of water are essential for the proper growth of plants and aquatic micro-organisms which consume unicellular algae and help to keep the water clear.


1.5kg treats approximately 10,200 litres of water (2,250 gallons)