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100 pH test kits
you can loosen the set screw located within the base and twist the arm until it is perfectly flat
Instructions:
Designed to trigger a strong feeding response
Hanna Marine Magnesium Checker Basslets 100 pH test kitsThe first Magnesium test of its kind for saltwater aquariums, our Marine Magnesium Checker HC (HI783) is just what every reef tank owner needs. Struggling with test kits is now a thing of the past. Stop guessing or interpreting a color change by eye. Get a fast, accurate digital read out every time. Perfect for testing and measuring Magnesium levels in saltwater aquariums, reef tanks, and other marine and aquaculture applications. Easy to read,
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