Boyd Chemi-Clean Red Slime Remover removes red, black, blue-green and methane (bubble) producing algae from marine aquariums Completely safe for use in all reef tanks, invertebrates, desirable macro algae, nitrifying bacteria and fish Works within 48 hours oxiding trapped organic sludge and promotes an ideal enzyme balance Chemiclean will clean stains from red cyanobacteria in aquariums Made in the Usa.
