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Ca/Mg Pro Tropic Marin marine 50 tests
Tropic Marin Test Mg/Ca Pro Magnesium and Marine Water Football 50 Measurements
Calcium and magnesium concentration and therefore their relationship are continuously variable in marine aquariums due to the assimilation of coral skeletons and calcareous algae and precipitation.
A periodic test of magnesium-calcium is necessary to determine the qunatity that must be added to restore their levels to natural ones.
The combitest determines the exact concentration of these elements, about 50 measurements can be made.
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