The Sera marin COMPONENT 1 – 7 preparation set is designed for demanding marine life enthusiasts, providing corals and other lower animals with seven valuable integrated ingredients.

Contains essential magnesium

Sera marin COMPONENT 6 - Magnesium contains essential magnesium. The ratio of magnesium to calcium must be balanced for optimal growth of corals and other lower animals. Magnesium content should not be less than 1300 mg/liter. You can easily determine the magnesium content using the Sera Mg test (refer to the test instructions).

Dosage: Use the cap as a measuring cup. If you increase the calcium content using Sera marin COMPONENT 1 and 2, add one spoon of Sera marin COMPONENT 6 - Magnesium for every 100 liters of water.