Ecological Laboratories Calcium Concentrate (Plus Buffer) is a uniquely developed formula that will enhance the growth of hard tube worms, snails, clams, pink and green algae, as well as help maintain the proper pH levels in your aquarium.
This Calcium Concentrate with Buffer contains over 100,000 mg./L. Calcium. This powdered formula will not leave a chalky substance like some calcium formulations.
Calcium is an important element for stony corals and clams.
Dosage: Add 1 - 2 capfuls per 50 gallons of water one to two times per week.