Find the lowest price for:       All ProductsTest Kits     5.0 (1)   Add a review Red Sea Magnesium Test Kit   Magnesium Test Lab 30 tests by Red Sea. Magnesium Test Lab tests marine magnesium levels with 20 ppm accuracy. Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched Red Sea Magnesium Test Kit in 150 stores, 17 results found Image Description   Store   Price Red Sea Magnesium Test Lab If this item doesn't belong here, click Remove and help us keep our results accurate.   Gulf Aquaria   1 Store Reviews   $11.29 Go to Store Red Sea Magnesium (Mg) Test Lab If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $12.3 Go to Store Magnesium Test Lab - 30 Tests If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $12.86 Go to Store Magnesium Saltwater Test Lab - 30 Tests If this item doesn't belong here, click Remove and help us keep our results accurate.   Big Al's Online   0 Store Reviews   $12.89 Go to Store Red Sea Magnesium Test Lab 30 tests for Aquariums If this item doesn't belong here, click Remove and help us keep our results accurate.   Drs. Foster and Smith   7 Store Reviews   $12.99 Go to Store Red Sea Magnesium Test Lab Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $13.23 Go to Store Red Sea Magnesium Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Aqua Buys   2 Store Reviews   $13.49 Go to Store Saltwater Labs Magnesium Mini Lab (30 Tests) - Red Sea Fish Pharm Ltd. If this item doesn't belong here, click Remove and help us keep our results accurate.   PetBlvd.com   0 Store Reviews   $13.77 Go to Store Red Sea Aquarium Test Magnesium Mini Lab If this item doesn't belong here, click Remove and help us keep our results accurate.   Aloha Aquariums   0 Store Reviews   $14.81 Go to Store Red Sea MAGNESIUM MINI LAB MG If this item doesn't belong here, click Remove and help us keep our results accurate.   Pets Warehouse   0 Store Reviews   $15.1 Go to Store Red Sea Magnesium Test Lab If this item doesn't belong here, click Remove and help us keep our results accurate.   SeaQuest Marine   0 Store Reviews   $15.98 Go to Store Red Sea Magnesium Test Lab Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $15.99 Go to Store Red Sea Magnesium Test Lab Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Fishy Business   0 Store Reviews   $15.99 Go to Store Red Sea Magnesium Test Lab Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $15.99 Go to Store Red Sea MAGNESIUM Test Kit Lab Marine Aquarium If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $17.49 Go to Store RED SEA MAGNESIUM LAB If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Center   0 Store Reviews   $18.99 Go to Store Red Sea Magnesium Mini Lab Mg If this item doesn't belong here, click Remove and help us keep our results accurate.   StrictlyPetSupplies.com   0 Store Reviews   $19.23 Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Red Sea Test Kits Other Test Kits internal use: spec406