Product Resources

PDF Downloads: Product info, SDS, and white papers

🗎 Duckweed Complete Product Sheet
🗎 Flumigard® SDS
🗎 PondZilla Pro SDS

Duckweed Complete

Premier Duckweed and Filamentous Algae Control

(2 customer reviews)
  • Flumigard quickly kills duckweed on contact
  • PondZilla Pro degrades dead duckweed cells to prevent spikes in TSS and BOD
  • Also works well for filamentous algae and more

*This product is not for use in AZ, MD, NJ, OR, or Canada. It is for limited use in ME and NY. Rules for application must be followed in each state. Some states will not allow the use of this product and others have special permits. Call us, 888.757.9577, for more information.





Product Info

Duckweed and watermeal grow at a relentless rates in wastewater lagoons, ponds, and oxidation ditches where nutrient levels are high. Controlling duckweed in a wastewater operation is best with the one-two punch of FLUMIGARD® and PondZilla Pro.

Flumigard® is by far the most effective treatment for duckweed. Duckweed is very resistant to other herbicides but the USEPA registered Flumigard® chemistry represents a major breakthrough in treatment. Do not rely on standard herbicides to control duckweed.

Paired with Pondzilla Pro, this is the most effective treatment on the market. The combination also works well on filamentous algae, watermeal, and aquatic weeds.

PondZilla Pro is a biocatalyst which aids in penetration of duckweed’s waxy cuticle and speeds degradation of dead plant material, so it does not contribute to excess sludge on the bottom.

Dose Rates

Surface Application
Surface Application
1/4 Acre (Spot Treatments)
4 oz Flumigard® + 1 qt PondZilla Pro
1 Acre
1 lb Flumigard® + 1 gal PondZilla Pro
4 Acres
4 lb Flumigard® + 4 gal PondZilla Pro
Subsurface Application
Subsurface Application
1/4 Acre (Spot Treatments)
1 lb Flumigard® + 1 gal PondZilla Pro
1 Acre
4 lb Flumigard® + 4 gal PondZilla Pro
4 Acres
16 lb Flumigard® + 16 gal PondZilla Pro

Product Pairings

See VitaStim Lagoon Line and Sludge Rx for future duckweed mitigation.

Applications and Benefits

  • Duckweed
  • Watermeal
  • Filamentous algae
  • Aquatic weeds
  • Kills and degrades dead plant material

Important Notes when using FLUMIGARD®:

  • FLUMIGARD® is a contact herbicide. It must be applied to vegetation immediately after mixing. Treating early in the morning will provide better results.
  • For floating weeds treatment can take 1-3 applications depending on the coverage of your spray during applications.
  • Apply according to the label instructions, wear proper PPE.


2 reviews for Duckweed Complete

  1. Karen C. (MO)

    These products work great, very happy with them.

  2. David Dollar

    Our company bought a site with an old oxidation pond that hadn’t been touched in decades. Needless to say, it was out of control. After a few discussions with Aquafix, we started with the oxygen booster and sludge reducer, and after a few months followed with the new Duckweek products–Clipper and Pondzilla Pro. Over the next 7 months, BOD’s dropped by 80%, TSS by 65%, Fecal Coliform by over 90%, and the once thick mat of duckweed is gone. The Aquafix staff was spot on with their knowledge and recommendations and the products perform better than we ever imagined.

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