Suggested value in saltwater aquariums:
Ca: 400-440 milligrams/litre, Mg: 1200-1400 milligrams/litre
First the magnesium level is determined, including calcium, then the calcium is measured and subtracted from the total value. The set includes both tests (Ca-Test + Mg-Test). Insufficient levels of calcium and magnesium affect the growth of corals and stunt the growth of the attractive red calciferous algae.
Dimensions: 4.25" x 6" x 1.75"
Weight: 120 Grams
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