This product is being discontinued. Limited quantities available.

This Roundup Custom Aquatic and Terrestrial Herbicide is ideal for aquatic, forestry, rights-of-way, industrial, turf, ornamental and habitat-restoration sites, especially where weeds and water meet. Contains 53.8% of the active ingredient glyphosate. 2.5-gal. jug. Requires the use of a nonionic surfactant, such as Induce Nonionic Surfactant (Item # 226376, sold separately).

-Water Lettuce
-Many more annual, perennial and woody plants

  • Broad-Spectrum Control: Cattails, phragmites, water lettuce, many more annual, perennial and woody plants
  • Aquatic Application Rates: From 2 to 8 qt./acre (mixed with varying amounts of water), depending on weed variety
  • Terrestrial Application Rates: From .67 oz. to 1.3 oz./gal. of spray solution for annual weeds and 2 oz./gal. of spray solution for perennial weeds, woody vines, brush and trees

NOTE: This product does not control completely submerged plants or those with a majority of their foliage under water.

Not for sale in Vermont, Washington

This product is not eligible for promotional offers.

WARNING: Cancer and Reproductive Harm -


  • Manufacturer #: ROUNDUP CUSTOM
  • Form: Liquid
  • Size: 2.5 gal.
  • Type: Post Emergent
  • Container Size (Liquids): 2-1/2 gal.


SDS for Custom™ Aquatic and Terrestrial Herbicide

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