Application for waterfalls and streams: Turn the pump off and apply light layer of product. Apply approximately 1 lb. of powder for every 400-500 square feet to problem areas, such as rocks and waterfalls. Wait 10-20 minutes before turning pump back on.
Heavy Dose: Apply 3-4 oz. per 1000 gallons of pond water every 2-4 weeks or as needed.
Light Dose: Apply 1-2 oz. per 1000 gallons of pond water every 2-4 weeks or as needed. Allow 48 hours between consecutive applications. Avoid contact with plant leaves. Product may cause short term spikes in pH levels, check pH before applying.
Treat no more than 1/3 of the pond at a time