Red Sea Reef Colours C (Iron/Trace) is a balanced supplement to optimise the growth and robustness of coral skeletons.

This product contains a blend of magnesium salts, provided in the correct biological ratio to provide for the needs of coral growth. They are naturally depleted in a healthy aquarium, so it’s vital to restore the levels for strong healthy coral formations.

Please note that this product comes with full instructions regarding the required dosages.

This supplement is recommended for aquariums above 500 litres (125 gallons).

1ml will raise the Mg level of 100 litres (25gal) by 1ppm.