 
pH / KH reducer
- Phosphate-free preparation to safely reduce the pH level. Any pH influence should be tested with a pH test.
- With natural oak extract.
- To check the lime content of stones (add a few drops of pH-Minus to the stone: the development of foam indicates lime).
- The best possible pH value for keeping most freshwater fish and plants is the neutral range around 7.
- JBL pH-Minus lowers excessively high pH values in your aquarium and promotes fish health via added natural oak extract.
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