Do not overdose!
To prepare solution, add 1.0 ml (~20 drops) of MediCoral per 1 US-gallon (3.785 L) of seasoned aquarium saltwater in a clean plastic or glass container, then immerse coral completely as follows: Small-polyp Stony Corals: 7 – 10 minutes; Large-polyp Stony Corals: 6 – 9 minutes; Soft (“Leather”) Corals: 8 – 11 minutes; Colonial and Solitary Polyps: 5 – 8 minutes.