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Replaceable Temperature Probe Length - 72"
Water Conditions - sg 1
The Hanna Marine Calcium Checker® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit
being approximately 500 at water surface to 150 at a depth of 19 inches beneath the surface
It uses cation and anion single bed resins that give you added control and cost savings over traditionally used mixed bed resins
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