Red Sea Reef Foundation A (Ca/Sr) 1000ml Pond Testing These energy-saving Juwel LED Day

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Red Sea Reef Foundation A (Ca/Sr) 1000ml Pond Testing These energy-saving Juwel LED DayRed Sea Reef Foundation A (Ca Sr) 1000ml Calcium and Strontium SupplementRobust coral skeletons are essential for all reefs and only acheivable by ensuring the basic elements Calcium, Magnesium, Strontium and Carbonate are readily available and in the correct ratio to each other. If they are not in the correct ration the coral skeleton can form as a fragile calcite. Can also be used as part of the Stage 1 Reef Foundation in the Red Sea Reef Care