Roundup Fast Action Ready to Use Weedkiller

Roundup Fast Action Ready to Use Weedkiller is an efficient systemic weedkiller that kills the roots to stops weeds coming back.


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Roundup Fast Action Ready to Use Weedkiller is a multi-purpose weedkiller that kills annuals and deep rooted perennial weeds, including grasses, dandelions, docks, nettles, ground elder, bindweed and thistles.

It can be used on gravel areas, paths, drives, hard surfaces, patios, tarmac, along fences and for edging lawns. It can also be used on weedy ground to clear space for new planting. This formula operates through systemic action, killing the roots so that the weeds don’t come back. It is inactivated on contact with the soil and will degrade and be broken down by soil micro-organisms, allowing replanting.

Spray at any time when the weeds are actively growing and have adequate leaf area to absorb the spray. Rain within six hours of spraying reduces the effectiveness and repeat treatment may be necessary.

This spray can be applied via either the 1.2L Spray Bottle or the 5L Pump ‘n Go Pressure Sprayer. There is also a 5L Refill Bottle that is available to prolong the life of a Pump ‘n Go Sprayer.


  • Sizes available: 1.2L Spray Bottle, 5L Refill and 5L Pump ‘n Go Pressure Sprayer
  • Ideal for treating larger areas
  • Can be used on areas such as paths, patios, drives and flower beds
  • Results visible in as little as 2 days
  • Systemic weedkiller that kills the roots so the weeds don’t come back
  • Degraded in soil by micro organisms

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