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The Hanna Phosphate Low Range 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
Salifert KH/Alkalinity Profi-Test Calcium is not the only substance needed to form the skeletal material of corals and allow calcareous algae to grow
Tubbs Blue Zoa
Carbonate and bicarbonate are also needed and these two substances can have a major effect on stabilizing or buffering pH levels in the aquarium in the correct range of 8
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