Red Sea - Reef Foundation C - Magnesium - 500 ml

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SKU: 253180
Manufacturer: Red Sea
MPN: 22033

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Magnesium bolsters coral skeletons by helping them gain calcium. 1mL raises the Mg level of 25 gallons by 1ppm. For the strongest possible skeletons, use with Reef Foundation A Calcium and Strontium, Reef Foundation B Alkalinity supplement and Reef Foundations Test Kits. Part of the Reef Care Program. Helps your corals achieve the best health, vivid, electric coloration and rapid growth. Reef Care lines include: Algae Management, Reef Colors, Reef Foundation and Reef Energy. For the healthiest corals, use the entire Reef Care Program.

Click here for a Reef Foundation Instruction Manual direct from Red Sea.

Click here for a Reef Care Information Guide direct from Red Sea.

Click here for a Reef Care FAQ direct from Red Sea.


Red Sea
Package Size16.9 oz.
Internal Id


All of the Red Sea Reef Care Program supplements have dosing charts (on back of product) based on treating 100 liters / 25 gallons of water. Estimate your total volume of water (aquarium & sump less volume of live rocks etc) to calculate the correct dosage for your system.

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