Reliable and easy to use! With a single strip you can measure the pH, hardness, carbonate, nitrite, and nitrate of freshwater and marine aquaria. Box of 25 nonreusable strips. more details
Reliable and easy to use! With a single strip you can measure the pH, hardness, carbonate, nitrite, and nitrate of freshwater and marine aquaria. Box of 25 nonreusable strips.
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