Colombo Bactuur filter start 1000 ml 05020233
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Colombo Bactuur filter start 1000 ml
A correct carbonate hardness (KH) is a prerequisite for clear pond water, healthy fish and a stable acidity (pH). KH is a measure of the total amount of dissolved carbonates in your pond. If the KH is too low, the pH value can fluctuate rapidly, which is very harmful to pond life.