Red Sea Reef Foundation C - Magnesium Supplement 5 litres**

**This item is classed as a large, bulky or a heavy item - additional delivery costs apply. Total delivery will be calculated at checkout.

Red Sea Reef Foundation C Mg Supplement 

Calcium & Strontium complex for balanced formation of Coral Skeleton

• Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.
• All of these elements need to be available in balanced proportions for coral health and growth.
• Reef Foundation C contains blended salts of Magnesium and is part of Red Sea's complete Reef Care program.

For best results dose according to a measured uptake of Magnesium and in conjunction with Reef Foundation A and B.

1ml per 100 litres to raise 1ppm of Magnesium