Incorporated in 1990 E.P.Aeration is the leader in sub-surface activated oxygen and aeration systems for the control of algae and other water quality issues. The companys fine-bubble bottom-laid aeration systems run on 120 VAC providing low cost of installation operation and maintenance and have no moving or electrical parts in water. Also available are larger ozonators designed for closed-loop water recirculation systems. For more information contact Mike McGee (800)556-9251.