Find the lowest price for:       All ProductsAdditives & Supplements     0.0 (0)   Add a review Ecosystem Aquarium Eco Magnesium - 16oz   ECO Magnesium 16 ounce liquid Supplement. EcoSystem Aquarium's ECO Magnesium Liquid adds essential magnesium for all reef inhabitants. Raises magnesium levels in marine systems to 1300-1400 ppm Phosphate and Nitrate... Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched Ecosystem Aquarium Eco Magnesium - 16oz in 150 stores, 8 results found Image Description   Store   Price ECO-Magnesium 16oz. - For All Saltwater Aquariums If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $8.95 Go to Store EcoSystem Aquarium Eco Magnesium 16oz. If this item doesn't belong here, click Remove and help us keep our results accurate.   Underbid   0 Store Reviews   $9.16 Go to Store ECO Magnesium 16 oz If this item doesn't belong here, click Remove and help us keep our results accurate.   Gulf Aquaria   1 Store Reviews   $9.49 Go to Store EcoSystem Aquarium Eco Magnesium - 16 oz. If this item doesn't belong here, click Remove and help us keep our results accurate.   Premium Aquatics   1 Store Reviews   $10.99 Go to Store Ecosystem Aquarium Eco Magnesium - 16oz If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $10.99 Go to Store Ecosystem Aquarium Eco Magnesium - 16oz If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $10.99 Go to Store Ecosystem Aquarium Eco Magnesium - 16oz If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $11.54 Go to Store EcoSystem Aquarium Eco Magnesium 16oz. - 12 Bottles If this item doesn't belong here, click Remove and help us keep our results accurate.   Underbid   0 Store Reviews   $85.13 Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More EcoSystem Aquarium Additives & Supplements Other Additives & Supplements internal use: spec157 spec194 spec203