Find Reviews and Compare Prices for:       All ProductsAdditives & Supplements     0.0 (0)   Add a review Brightwell Aquatics Magnesion-P - Dry Magnesium Supplement for Reef Aq...   Purified powder magnesium provides this essential element to your marine aquarium's invertebrates. Magnesium is required to regulate the balance between calcium and carbonate when forming aragonite. Stronger and... Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Set Price Alert Searched Brightwell Aquatics Magnesion-P - Dry Magnesium Suement for Reef Aquaria 300g 10.6oz in 150 stores, 5 results found Image Description   Store   Price Brightwell Magension-P Supplement 10.6 oz/ 300 gm If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $8.45 Go to Store Brightwell Magnesion P 300g Magnesium Buffer Powder Marine Reef Fish Tank If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $13.75 Go to Store Fish & Aquatic Supplies Magensium - P Dry Supplement 10.6Oz 300Gm If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $20.95 Go to Store Brightwell Magension-P Supplement 10.6 oz/ 300 gm If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $45.68 (used) Go to Store Fish & Aquatic Supplies Magensium - P Dry Supplement 10.6Oz 300Gm If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $65.08 (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