Oxy-Pond Cleaners are a great product for spot treating string algae on waterfalls and in shallow streams. Simply turn off your pump, sprinkle it on any algae, wait about 15 minutes and turn your pump back on.

Oxy-Pond Cleaners are a great product for spot treating string algae on waterfalls and in shallow streams. Simply turn off your pump, sprinkle it on any algae, wait about 15 minutes and turn your pump back on.