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Colombo test GH
05020296
GH Colombo reagent tests.
Box for 40 tests.
Test allowing to establish precisely the parameter GH (total hardness) in German degree.
Solution valid for fresh water.
Box for 40 tests.
A good total hardness (GH) is a condition for having clean water.
GH indicates the concentration of dissolved minerals in your pelvis, which are mainly made up of calcium. Your plants and fish need these minerals.
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