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Roundup Custom Herbicide

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Roundup Custom Herbicide by Monsanto is a non-selective aquatic herbicide and is highly effective on more than 190 species of emerged weeds, including a wide range of annual and perennial grasses, broadleaf weeds, and sedges. Roundup Custom has excellent application and use flexibility for weed and brush control by land or by water.

Roundup Custom Herbicide is pet and child friendly if applied properly.

Target Pests

Roundup Custom Herbicide is used for the control of barley barnyardgrass bittercress brome buttercup cheatgrass chickweed cocklebur crabgrass cupgrass fiddleneck fleabane foxtail geranium goosegrass groundsel henbit itchgrass johnsongrass knotweed kochia lambsquarters morningglory mustard oats panicum pennycress pigweed ragweed red rice ryegrass sandbur shattercane smartweed sorghum spurge sunflower thistle wheat witchgrass and many other listed grasses and weeds.

For Use In

Roundup Custom Herbicide is for use in aquatic sites specific crop areas non-agricultural crop sites industrial areas turf ornamentals forestry roadsides utility rights-of-way and many other listed areas.


For use as a weed control, trim-and-edge, or bareground treatment with Roundup Custom Herbicide mix t the rate of 2/3 to 10 ounces per gallon (rates vary depending on desired solution strength).

For applications to aquatic sites using Roundup Custom Herbicide do not exceed the maximum rate of 7.5 pints per acre of water surface in any single broadcast application except in specific listed usages in which any labeled rate may be applied (see label for specifics).

For other applications and more specific information refer to the label above.

Coverage Area

If Roundup Custom Herbicide is used at the higher rate of use as a weed control, trim-and-edge, or bareground treatment each 2.5 gallon container will treat an estimated 38,000 square feet.

Time to Kill

Roundup Custom Herbicide provides immediate results but may take up to several treatments to gain full control of target weeds.

Active Ingredient

Aquatic Glyphosate 53.8%

Roundup Custom Herbicide


Roundup Custom Herbicide

Anywhere weeds and water meet, there’s a strong chance that vegetation management problems can grow. Anyone who manages weeds and brush in sensitive aquatic or terrestrial sites knows that, when left unchecked, they create a growing problem. Roundup Custom herbicide offers a multitask solution with applicator and use site flexibility.


Roundup Custom Herbicide is a postemergent, systemic herbicide with no residual soil activity. It gives broad-spectrum control of many annual weeds, perennial weeds, woody brush and trees. It is formulated as a water-soluble liquid and may be applied through standard equipment after dilution and mixing with water or other carriers according to label instructions.


Features Of Roundup Custom Herbicide

• -Application and use fl exibility for weed and brush control by land or water
• -Offers the fl exibility to choose the right surfactant, tank mix or custom herbicide blend
for the job at hand
• -Non-selective and highly effective on more than 190 species of emerged weeds, brush
and vines
• -Excellent fi t for all aquatic, forestry, right-of-way, industrial, turf, ornamental and
habitat-restoration use sites, especially where weeds and water meet
• -Eco-friendly packaging


Is RoundUp Custom Herbicide Safe To Use?

Roundup Custom herbicide and glyphosate have low acute toxicity to aquatic organisms, as shown below. However, the EPA has determined that the toxicity and exposure is sufficiently low enough that there is no significant risk of unreasonable adverse effects to aquatic organisms under normal labeled use conditions.


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Product Q & A

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Browse 9 questions Browse 9 questions and 8 answers
What make Custom Roundup appropriate for aquatic sites?
A shopper on Sep 25, 2017
BEST ANSWER: Typically, it is the registration and the label of the product that has been tested to apply to aquatic areas.
How much do you have to use ?
A shopper on Oct 12, 2018
BEST ANSWER: Depends on the weed you are trying to get rid of and the area you are looking to treat. Please refer to the label for specific instructions and application rates.
What makes it different than regular Round Up?
Keith P on Sep 5, 2018
BEST ANSWER: It's a more flexible product and can cover a broader range of treatment areas. According to their official website, Roundup Custom provides: "Maximum application flexibility for weed and brush control on land and around water."
My pond is about 1/8 acre. Lily pads are taking over. How do I limit their spread?
A shopper on Jul 31, 2018
BEST ANSWER: Roundup can work to control the lily pad infestation. Please use according to label directions.
Will it kill filamentous algae? If so, what is the application rate?
ROBERT E on Jul 29, 2018
BEST ANSWER: https://www.solutionsstores.com/filamentous-algea-control

Here are some better options for controlling Filamentous Algae.
Is it fish safe????
A shopper on Apr 25, 2018
BEST ANSWER: The Roundup Custom Herbicide is safe around fish if applied as directed on the label. The only harm it can cause to the fish is due to oxygen depletion as the plants start to die and decompose.
Is this safe for pets?
A shopper on Mar 30, 2018
BEST ANSWER: Make sure to keep all pets and children off the area until it has fully dried. Once the product is dried the pets and children can re-enter the area.
Can I use this to kill weeds in around my house as i would if using regular round up?
gina h on Aug 11, 2017
BEST ANSWER: Yes, the Roundup Custom can be used around the house to kill regular weeds. Same active ingredient as Round up.
Can I buy this product in california ?
A shopper on Aug 13, 2018

Customer Reviews

5.0 / 5.0
2 Reviews
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1 Star
Round Up Custom
This product worked very well and was highly concentrated; good value overall. Also, this company is the best one to deal with. Fast service and reasonable prices!
March 1, 2016
Excellent service
Our Roundup was delivered in a very timely manner. We will definitely order from Solutions in the future.
July 3, 2015

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