Find the lowest price for:       All ProductsAdditives & Supplements     0.0 (0)   Add a review Warner Marine Research ReefPure Balanced Ion Magnesium 32oz   Warner Marine Research Balanced-Ion Magnesium Supplement Magnesium is the third most abundant ion in saltwater behind only Sodium and Chloride. It is essential to the calcification process utilized along with Calcium... Have a question? Ask the Experts! Compare Prices Product Spec Member Reviews Recommend to Friends Edit the spec Brand Warner Marine Category Magnesium Something wrong in this page? Let us know! Related products: More Warner Marine Additives & Supplements Other Additives & Supplements internal use: spec174 spec194 spec204