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Liquid test kits are more accurate than common test strips and allow you to do more tests per pack. This is the Magnesium Refill for saltwater tanks.
Ca: 400-440mg/l, Mg: 1200-1400mg/l First, the level of magnesium, including calcium, is determined.
Calcium is then measured and subtracted from the total value. The set includes both tests (Ca-Test + Mg-Test).
Insufficient levels of magnesium affect coral growth and hinder the growth of attractive red calciferous algae.
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