Fresh 'n' Marine Aquarium Blog

Fresh 'n' Marine Aquarium Blog


Understanding Carbonate Hardness

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The carbonate hardness CH is one of the most important water parameters in aquarium keeping and for garden ponds. The CH stabilises the pH-level and therefore prevents any dreaded plunge or sudden steep rise in pH levels, both of which are equally dangerous. In normal community aquariums and ponds, the CH should never drop below 4° [...]


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