API GH & KH Hardness Test Kit
$29.94
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API GH/KH Hardness Test Kit tests tap water and freshwater aquariums for general water hardness (GH) and carbonate hardness (KH).
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$29.94
API GH/KH Hardness Test Kit tests tap water and freshwater aquariums for general water hardness (GH) and carbonate hardness (KH).