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4oz Alligare Fluridone Duckweed and Lake Weed Control Up To 1/4 Acre Control + Free Shipping!


NOTICE: Alligare 4oz fluridone is no longer available.The recommended replacement, Sonar Fluridone 8 oz., ships in place.

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

Alligare herbicide contains Fluridone - the same active ingredient used by professionals worldwide!

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

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

Alligare has no swimming restriction and just 4 ounces will completely treat a 1/4 acre shallow pond for the entire season.

4oz Alligare 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.

Alligare 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 Maximum Ounces required
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 - Alligare Label Alligare MSDS

**For maximum lake & pond remediation, remember to initially incorporate a high-concentrate temporary aquatic dye, and apply a commercial grade lake & pond bacteria microbe to eliminate sludge, muck and nitrates (weed fuel source) once target weeds have been completely eradicated.

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

  • Model: alligaref4oz

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