primal seas liqiud magnesium 250ml

Stabilized Magnesium Concentrated solution Can be used for increasing Magnesium levels in your marine aquarium and for regular ongoing supplementing. You should aim to maintain Magnesium levels at around 1300 to 1350ppm. Magnesium's primary importance in reef aquaria is its interaction with the calcium and alkalinity balance, and helps keep PH stable. This Magnesium has been pre-blended at a balanced ionic ratio between Chloride and Sulphate. 50 ml will raise levels by approximately 60ppm in 100 litres of salt water. 1 capful = 5ml It is not recommended to increase Magnesium levels by more than 60ppm per day. Contains Magnesium Chloride Hexahydrate & Magnesium Sulphate Heptahydrate 99% purity /purified water CAUTION: IRRITATING TO EYES. IRRITATING TO RESPIRATORY SYSTEM. IRRITATING TO SKIN. FOR AQUARIUM USE ONLY, KEEP AWAY FROM CHILDREN AND PETS. 250ml/500ML