Round 1L Super Concentrate


Strongest retail herbicide that is rain proof in 2 hours!


  • Kills unwanted grasses, weeds, plants to the root within 24 hours.
  • Highest concentrate version of Roundup available for retail sale.
  • Will non-selectively eliminate all problems plants (such as poison Ivy) and grasses (tall fescue, bent fescue, quack grass, Crab grass).
  • Please note that Roundup (especially this super concentrate) will also kill healthy grass as it is a 'non-selective' herbicide that kills plants, grasses and weeds alike. For selective treatment of weeds without harming grass, please refer to Killex and WeedOut which both selectively eliminate 99% of weeds found in Canadian lawns without harming healthy turf.


  • Contain Glyphosate 356 g/L

Mixing Ratio

  • Mix 50mL Roundup Super Concentrate per 2.5L of water to make ready-to-spray mix.
  • Or, mix 1 part Roundup Super Concentrate, for every 50 parts water.


  • 1L covers 1000m2
  • Note:

(Non-selective: Roundup is a non-selective herbicide and thus eliminates all plants & grasses without differentiation or preservation of any kind)

    Customer Reviews

    Based on 12 reviews Write a review

    Related Items