Find Reviews and Compare Prices for:       All ProductsAdditives & Supplements     4.7 (6)   Add a review Brightwell Aquatics Magnesion - Liquid Magnesium Supplement for Reef A...   Reef-building organisms require magnesium to regulate the balance between calcium and carbonates in aquarium water. This highly-concentrated ionic magnesium solution provides exactly what your corals, clams and... Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Set Price Alert Searched Brightwell Aquatics Magnesion - Liquid Magnesium Slement for Reef Aquaria 500ml 17oz in 150 stores, 5 results found Image Description   Store   Price Brightwell Aquatics Magnesion Liquid 17 oz If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $7.44 Go to Store BWELL MAGNESION LIQUID 17OZ If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $8.42 Go to Store MARINE/REEF ADDITIVES LIQUID MAGNESION BRIGHTWELL 500ML If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $14.45 Go to Store Magnesion Liquid Magnesium 17oz 500ml If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $18.08 Go to Store Brightwell Aquatics Magnesion Liquid 17 oz If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $41.4 (used) Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Brightwell Aquatics Additives & Supplements Other Additives & Supplements internal use: spec152 spec194 spec203