What is the general hardness and how relevant is it in our aquarium? What’s the difference between it and the carbonate hardness? Biologist Heiko Blessin explains the relevance of the general hardness in Colombia’s natural landscape
You can find further information on water hardness and composition in the Themeworld Aquarium: Parametry wody
You’ll find everything you need to know about GH and KH testing in the JBL Themeworld Aquarium: Testy wody
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