Jack's Magic 2lb The Yellow Stuff Algaecide - JMYELLOW2EACH  is a powerful all-purpose algaecide. The Yellow Stuff quickly eliminates all types of algae breakouts and is also a highly effective algae preventative. The Yellow Stuff is safe for all pool finishes and works with all major pool sanitizing systems. Swimming can resume in a few hours. 

Part Number: JMYELLOW2EACH