RM 18 Fast-Acting Weed & Grass Killer Concentrate Skip to main content
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RM 18 Fast-Acting Weed & Grass Killer Concentrate


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$24.99 - $109.99
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When you want fast results with minimal prep, RM18 is your total weed control solution for unwanted brush, broadleaf plants, and grass.

  • A combination of two herbicides, glyphosate and diquat, RM18 starts to kill weeds on contact, producing visible wilting within 12 hours.
  • Kudzu, wild blackberry, poison ivy, poison oak, crabgrass, and dandelions (and over 100 other plants) are no match for this product, which is rainfast in thirty minutes. There are no entry restrictions to sprayed areas for pets or people after the spray has dried.

When To Replant:
  • All ornamental flowers, trees and shrubs may be planted 1 day after application.
  • Lawn grasses, herbs, vegetables, and fruits may be planted 3 days after application.

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