Professional calcium test kit delivers accurate results in three easy steps. Designed specifically for the needs of today's reef aquariums, the Reef Status Calcium Test Kit measures results 5 mg/L increments for precise test results. Uses magnesium precipitation and an acid pH titration method for no magnesium interference. Distinct, endpoint color-change from blue to pink makes the titration process easier. Includes 150 tests and a reference solution for simple test validation
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