Fluval Sea 3-Ions Supplement is a concentrated blend of 3 essential ions, calcium, magnesium and strontium, at proportions that maintain optimal ionic balance. By raising and maintaining optimal levels of calcium, magnesium and strontium, it supports coral growth and helps keep marine aquariums naturally stable.
- Contains USP (Pharmaceutical) Grade calcium chloride, magnesium chloride and strontium chloride
- Strongly recommended to offset ongoing depletion caused by coral absorption, coralline algae and organic compounds
- High purity product
- Supports coral growth