Gordon's PondMaster SeClear Algaecide & Water Quality Enhancer, 3251072, 1 Gallon

Kills all types of algae including toxic blue-green algae. Reduces phosphorous to help stop algae before it starts. Fewer applications and lower use rates when used preventatively. Improves water quality and clarity (Compared to traditional copper algaecide treatment). Improve the health and beauty of your pond with Gordon's PondMaster.