Don’t just own a marine aquarium: allow it to thrive, with innovative reef products from Red Sea. Harvesting the natural qualities of sea salt from the flourishing coral reefs and waters of the Red Sea, Red Sea products allow hobbyists to focus on the beauty of their fish and aquarium, rather than worry about water chemistry and tank equipment.

Backed by a team of biologists, chemists and engineers, Red Sea products are the go-to for those who wish to keep their fish, aquatic plant life, and tank biology in optimal condition.

Red Seas Calcium+ Supplement Foundation is a calcium and strontium complex for balanced formation of the coral skeleton, and includes the basic foundation elements that need to be balanced to promote coral health and growth.

Size: 500mL & 1L