API Marine Magnesium 16oz Test Kit ion exchange resins) during use

ion exchange resins) during use

This diet incorporates a healthy mix of animal proteins

high levels cause suffocation

It is also safe for use with reefs and corals

- For tanks from 40"- 48" wide

API Marine Magnesium 16oz Test Kit ion exchange resins) during useAPI MARINE MAGNESIUM raises and restores magnesium levels in your reef aquarium, and should be used whenever magnesium deficiency is present in your water. The magnesium level of a reef aquarium should be between 1,250 1,450 ppm. Use API MARINE MAGNESIUM when water tests show a magnesium level below 1,250 ppm mg L in your reef aquarium. Dose according to directions on product label. Treats up to 948 US gallons of salt water. With API Aquarium