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At AquaCave, we offer some of the best selection and best prices on aquarium test kits for you marine, reef, and freshwater aquarium. Aquarium Test Kits have a place in every aquarium application. They are necessary to keep your water chemistry in check. We have kits for testing just about every water parameter including pH, alkalinity, nitrates, nitrites, ammonia, organics, phosphates, magnesium, boron, iodine, oxygen, ozone and many more.

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