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AVAST SC 1 Gallon Duckweed & Lake Weed Control up to 8 Acre + Free Shipping!


Warning: Some vendors advertising AVAST products at lower prices ship low-grade, generic products instead. Be sure to check with any vendor prior to ordering that they will be shipping only genuine and authentic AVAST.

AVAST SC 1 Gallon Fluridone - Powerful DuckWeed and PondWeed Control Treatment for Lakes, Ponds, Lagoons, Ornamental Ponds, Reservoirs, Potable Water Sources, Drainage Canals and Irrigation Canals.

AVAST herbicide contains 41.7% Fluridone - the Premier active ingredient used by professionals worldwide!

AVAST duckweed killer remains a premier control treatment of choice by aquatic professionals worldwide since the active ingredient in AVAST, Fluridone, has the power and ability to completely eliminate DuckWeed,WaterMeal, Milfoil, Hydrilla and most other nuisance weeds.

Application is easy - Simply follow included application instructions! Once applied, AVAST is absorbed by shoots and roots and travels systemically in the vascular system of nuisance aquatic weeds.

AVAST has no swimming restriction and just 1 Gallon will completely treat a 8 acre shallow pond for the entire season.

AVAST Duckweed and Lake Weed Control - Waiting Periods: If application rates are 150 ppb or less, treated water may be used immediately with no waiting period for drinking (potable) water (including watering livestock and pets.

AVAST Controls
  • common duckweed
  • spatterdock
  • bladderwort
  • paragrass
  • water-lily
  • common coontail
  • common elodea
  • egeria, Brazilian elodea
  • fanwort, cabomba
  • hydrilla
  • naiad
  • pondweed
  • watermilfoil
Partially Controls
  • common watermeal
  • alligatorweed
  • Illinois pondweed
  • barnyardgrass
  • American lotus
  • limnophila
  • giant cutgrass
  • cattail
  • tapegrass
  • reed canarygrass
  • creeping waterprimrose
  • American eelgrass
  • southern watergrass
  • parrotfeather
  • watermilfoil-variable-leaf milfoil
  • torpedograss
  • smartweed
  • spikerush
  • waterpurslane
  • watershield
Suggested Treatment Amount Per 1 Acre
Feet of Water Minimum Ounces required 45 ppb Maximum Ounces required 90 ppb (Watermeal, dense weed infestation or difficult-to-control species)
1 3.8 fl. oz 7.7 fl. oz.
2 7.7 fl. oz 15.7 fl. oz
3 11.8 fl. oz 23.4 fl. oz
4 15.7 fl. oz 31.4 fl. oz
5 19.5 fl. oz 39.0 fl. oz
6 23.4 fl. oz 46.7 fl. oz
7 27.2 fl. oz 54.4 fl. oz
8 31.4 fl. oz 62.4 fl. oz
9 35.2 fl. oz 70.1 fl. oz
10 39.0 fl. oz 78.1 fl. oz

Downloads - AVAST Label AVAST MSDS

**Some products cannot ship to CA, CT, NY, NJ & WA**
Read Entire Label Prior To Treatment
**In Stock - Ships Today! **

  • Model: avast128

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