Airmax Ultra PondWeed Defense is a powerful aquatic herbicide formulated to control a wide range of pond weeds, including submerged, floating, and emergent species. It is especially effective against tough weeds like duckweed and watermeal in slow-moving water. For best results, use this pond weed killer solution with Treatment Booster Plus all season long on actively growing plants. Early-season treatments targeting emergent weeds may require additional applications for full control.
State Restrictions
Ultra PondWeed Defense cannot be shipped to: AK, AZ, CA, CT, DC, HI, ME, NJ, NY, PR, RI, VT, WA, or Canada
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| Size | 32 Ounce | 1 Gallon |
| Application | Liquid | Liquid |
| Temperature Restriction | None | None |
| Square Footage per Container | Up to 5,000 sq ft | Up to 20,000 sq ft |
| Shelf Life | 2 Year | 2 Year |
| Treatment Area | Ultra PondWeed Defense | Water | Treatment Booster Plus |
| 2,500 Square Feet | 16 Ounces (1/2 Quart) | 1.5 Gallons | 4 Ounces |
| 5,000 Square Feet | 32 Ounces (1 Quart) | 3 Gallons | 6.5 Ounces |
| 7,500 Square Feet | 48 Ounces (1.5 Quarts) | 4.5 Gallons | 10 Ounces |
| 10,000 Square Feet | 64 Ounces (2 Quarts) | 6 Gallons | 13 Ounces |
Please note: Above are recommendations. Always read the product label.
When to Apply
Apply Ultra PondWeed Defense to target weeds while they are active and growing.
Add Treatment Booster Plus for best results.
How to Apply
Mix the desired Ultra PondWeed Defense and pond water per label directions. Using a pressurized sprayer, spray the Ultra PondWeed Defense mixture directly onto target weeds. Treated weeds will begin to brown and die. Once weeds are entirely dead, cut and rake them away to prevent plant decay and pond muck accumulation.
Water Use Restrictions
State Restrictions
Ultra PondWeed Defense cannot be shipped to Alaska, Arizona, California, Connecticut, the District of Columbia, Hawaii, Maine, New Jersey, New York, Puerto Rico, Rhode Island, Vermont, Washington, or Canada.
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Airmax Ultra PondWeed Defense - Product Label (32 Ounce)
Airmax Ultra PondWeed Defense - Product Label (1 Gallon)
Airmax Ultra PondWeed Defense - Safety Data Sheet