Product code: TT-GH-TRO
GH TEST TOTAL HARDNESS FRESH AQUARIUM
Brand: SHG
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TEST GH
Reagent for measuring total hardness GH in freshwater aquariums.
GH degrees are a German unit of measurement to indicate the total hardness of water.
The GH value is composed of dissolved minerals, mainly calcium and magnesium. These elements are important not only for the health of fish but also for plants. The optimal measurement in the aquarium is between 7 and 12 degrees GH