This is a fully submersible unit that controls water-born algae and prevents the spread of disease.
·· Glowing monitor halo ring visible from any angle immediately shows that it's working
·· Comes complete with 9000 hour, 10 watt lamp, the longest lamp life available
·· Also includes water tight quartz sleeve
·· Comes with transformer and 18' grounded power cord
·· 1 year limited warranty
·· 3/4 inlet & outlet
This 10 watt unit is for medium to large ponds up to 1500 gallons using pumps up to 700gph. It will clear green water in 1500 gallon ponds with a pump range of 500gph to 700gph. It will kill many bacteria in 500 gallon ponds with a pump range of 190gph to 250gph.