Boyd Chemi-Clean - 2 Gram Boyd Chemi-Clean - 2 Gram is an aquarium treatment for cleaning stains from red, black, blue-green, and bubble-producing cyanobacteria in freshwater and saltwater aquariums, with enough dry powder to treat up to 300 gallons. Boyd Chemi-Clean 2 Gram Cyanobacteria Treatment for Freshwater and Saltwater Aquariums Chemi-Clean is designed to help clear problem cyanobacteria staining while supporting clearer aquarium water and improved maintenance results. It is suitable for reef systems when used exactly as directed, and Boyd states it is safe for fish, corals, invertebrates, and nitrifying bacteria. Red Slime and Cyanobacteria Stain Control for up to 300 Gallons 2 gram dry powder package treats up to 300 gallons total. Cleans stains from red, black, blue-green, and bubble-producing cyanobacteria. Works in freshwater and saltwater aquariums. Helps oxidize trapped organic sludge and promote clearer aquarium water. Contains no phosphates, algaecides, or erythromycin succinate according to J&L’s listing. Can be used in reef aquariums when directions are followed carefully. Requires heavy aeration during treatment. Chemi-Clean Treatment Planning and Safety Notes Chemi-Clean treatment affects normal filtration routines, so prepare the aquarium before dosing. Increase oxygen with heavy aeration or a large air stone, remove carbon or Chemi-Pure, turn off UV sterilizers and ozonizers, and keep normal water movement running with pumps or powerheads. Protein skimmers may overflow during treatment and may need adjustment or collection cup removal. Boyd Chemi-Clean Directions Increase aquarium oxygen levels using heavy aeration or a large air stone. Turn off UV sterilizers and ozonizers. Remove Chemi-Pure, carbon, or similar chemical filtration during treatment. Continue normal water flow with pumps and powerheads. Dissolve one level scoop of Chemi-Clean per 10 gallons of aquarium water in a cup of aquarium water. Pour the dissolved treatment evenly back into the aquarium. Allow up to 48 hours for treatment. Perform a 20% water change after the 48 hour treatment period. Replace removed chemical filtration with new media and restart UV or ozone equipment after treatment. What's Included One 2 gram container of Boyd Chemi-Clean dry powder Measuring scoop