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Controlling Duckweed & Watermeal – Pond & Lake Q & A

Q: I think I have duckweed and watermeal. It’s taking over my pond! I can’t seem to get ahead of it! What do I do?
- Several Customers

Picture of DuckweedA: Duckweed and watermeal are very prolific growers and can cover a pond before you know it. When covering a pond it can look like algae, but up close you can see it’s not (see pictures on the left). You can try to rake the duckweed and watermeal off the pond’s surface but more will be back within the week. The absolute best way to get rid of duckweed and watermeal is to use a product called WhiteCap. WhiteCap works by inhibiting the weed’s ability to produce carotene. Without this ability, chlorophyll is rapidly degraded by sunlight and the weeds die. The only water use restriction is a 30 day irrigation restriction.

WhiteCap will also get rid of many other submerged weeds in the pond and will produce season-long results in as little as 30-45 days.

Picture of WatermealFor more information on Whitecap and the aquatic weeds it will control, click here.

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