Bacter Clean•M is a unique marine microbial culture and enzyme product, unlike any other on the market.Features: Cleans live rock, live coral stone, tank walls, and other surfaces Loosens and cleans coatings and ugly accumulations Specifically cultured for Marine systems only PowerfulAdvantages: Bacter Clean•M is a unique marine microbial culture and enzyme product specifically designed to target and clean surfaces of live rock, coral decorations and tank walls, removing stains, loosening and softening debris for easy vacuuming and providing a cleaner, more pristine environment. It will outcompete unwanted substances and loosen the grip of ugly accumulations and coatings making their removal by scraping or vacuuming easy. Its exclusive bacterial formula does much of the work for you, to help provide the beautiful reef or marine aquarium you have always wanted. It will also rapidly breakdown organic waste, leftover food, debris and detritus in marine aquariums, providing essential water quality improvement.Directions and Protocol: Place 1 cup of marine aquarium water into a container. Shake product well. Add the recommended amount of capfuls or ml of Bacter Clean•M to the container of water. Stir and allow to stand for a few minutes. Add to aquarium. Recommended amounts: Aggressive dose to rapidly clean filthy aquariums: 6 capfuls (30 ml or one ounce) initially on the first day, then add 1 cap (5 ml) of Bacter CleanM for every 25 US gals of aquarium volume, daily for 2 weeks or longer, as necessary to achieve your goals. It is important to do a 10-20% water change after each 2 weeks of high dosage use, vac all debris and undesirable materials from the live rocks and decorations. Unwanted substances should begin to loosen and come off the rocks easily. Daily use may be continued as long as needed. Maintenance Dosage for normal aquariums: 4 caps (20 ml) of Bacter Clean•M for every 25 US gals of aquarium volume once a week or 3 ml per day.