API Marine Magnesium 16oz Test Kit - For tanks from 40"-

- For tanks from 40"- 48" wide

Thera A is not a medication

It is also safe for use with reefs and corals

) and external fungal/bacterial/viral lesions (e

high levels cause suffocation

API Marine Magnesium 16oz Test Kit - For tanks from 40"-API 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