Aquarium Systems Saltwater PH Test (Refill) Test Kit makes saltwater testing easier than ever before for the beginning hobbyist as well as the experienced aquarist. Aquarium Systems Saltwater PH Test Kit’s one piece color chip comparator is easier to use than any other saltwater test kit available. The durable wide-mouth holder has more room for adding the test chemicals and is more stable to prevent spilling. Foil packets protect the granular test chemicals from light and moisture and keep them fresh indefinitely.
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