Fluval Sea Magnesium is formulated to raise and maintain magnesium levels of marine water. It's a concentrated magnesium-boosting compound that works without disturbing sensitive ionic balance of aquariums. The regular dosing of this formula may help you offset depletion by coral absorption. It can also help to maintain pH level and prevent calcium precipitation.

Fluval Sea Magnesium

• Magnesium-boosting compound
• Concentrated formula
• Supports optimal pH
• Prevents calcium precipitation