LEFT: Duck weed in holding pond prior to recirculation
RIGHT: Duckweed in secondary clarifiers after being recirculated from holding pond

Duckweed is an invasive plant that floats on or just beneath the surface of still water and can be very difficult to get rid of. Here it is holding strong in Central Iowa in the middle of December. While some operators might like it for the way it reduces light penetration and algae, in some cases it can cause real problems. Like for example when the pond recirculates to the head of the plant and you end up with duckweed in the secondary clarifier. The best aquatic herbicide for treating duckweed is Clipper™. Our Pondzilla Pro helps degrade dead duckweed so it doesn’t contribute to the sludge layer.

Treating Duckweed with Clipper™ Aquatic Herbicide

Clipper™ aquatic herbicide treats and controls tough invasive plants, quickly. It dissolves and mixes into water quickly, and dissipates without accumulating in sediment. Clipper™ is a contact herbicide, and effective use can eliminate duckweed, hydrilla, watermeal, and more.

Degrade Dead Duckweed with Pondzilla Pro

When used in tandem with an algaecide or herbicide like Clipper™, PondZilla Pro’s natural biocatalyst increases chemical efficiency by aiding penetration into the plant. Crucially, once the algaecide or herbicide kills the plant, PondZilla Pro works to degrade it. This works at the cellular level to accelerate decomposition of dead organic matter and clarify the water column. This complete degradation of the duckweed prevents nutrients from the dead plant to be released into the water.


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