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| Product£º |
GH Test Kit |
| Sort£º |
Test Kit |
| Content£º |
Marine Life GH Test Kit can easily and rapidly determine the general hardness(GH) of fresh water.GH refers to the concentration of calcium and magnesium.In freshwater aquarium,GH will be lower than 15¡ãdKH,otherwise the water should be intenerated. |
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