3-Ions Supplement, 8 fl oz / 237 ml

Fluval 3-Ions is a convenient and concentrated blend of the most essential elements (calcium, magnesium and strontium) that support strong coral growth and help keep your marine aquarium naturally stable.

• Elevates and maintains optimal levels of calcium, magnesium and strontium, which are constantly depleted by coral absorption, coralline algae and organic compounds
• Contains USP (Pharmaceutical) grade calcium chloride, magnesium chloride and strontium chloride
• Ultra pure and free of unwanted contaminates, gluconates, nitrates and phosphates
• For use in saltwater aquariums