Water test for measuring total hardness GH ( German degrees) in fresh and marine water aquarium. The optimal value for fish needing soft water goes from 5° to 10°, the optimal value for fish needing hard water goes from 12° to 15°.
Packing: 12 ml
Water test for measuring iron Fe in fresh and marine water aquarium. The measurement scale of iron g...
Water test for measuring temporary hardness KH (German degrees) in fresh and marine water aquarium. ...
Water test for measuring nitrites NO2 in fresh and marine water aquarium. The measurement scale of n...