Continuum Aquatics 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 Powerful Advantages: 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.