JBL Test Magnesium (Mg) (Recharge)
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.