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Corals
Frags
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Fish
Freshwater
Inverts/Cleaners
Gift Certificates
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API GH / KH Test Kit-Freshwater
API GH / KH Test Kit-Freshwater
$13
99
$13.99
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Default Title - $13.99 USD
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Tests tap water & freshwater aquariums for general hardness (GH) and carbonate hardness (KH).Helps prevent fish stress caused by rapid pH shifts, the result of low levels of KH.
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