You need a good water conditioner to turn tap water into fish-friendly aquarium water. It takes a water conditioner to neutralise dangerous chlorine, bind heavy metals from the copper or lead pipes and protect the mucous membrane of the fish in your aquarium. Aquascaping world champion Oliver Knott shows how to use the JBL Biotopol water conditioner correctly in the aquarium. Don’t take any risks when changing the water and make a small investment in a water conditioner to guarantee your tap or well water is free of dangerous substances!
You can find more about Biotopol and the other water treatment products here: Přípravek k biologické úpravě vodovodní vody
You can read more about treating aquarium water in our Themeworld: Úprava vody