Instructions: 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. Discard solution when finished, then rinse coral in clean aquarium water and place coral into aquarium system. Process may be repeated daily as desired/required.