• Will not harm established ornamentals and trees.
• Ideal for use in garden beds and pots, around established ornamentals, shrubs and trees.
• Controls common weeds, including hard to kill bulbous weeds, prior to emergence.
• Suppresses weeds for long term control; up to 3 months.
• 200 g covers 10 m² or approximately 110 pot plants (30cm diameter).
• Safe for children and pets after watering in and left to dry.

$21.99

at Backyard Living

1. Clear existing weeds by weeding or by using Weed Weapon Extra Strength or Rapid Action.
2. Once the weeds have been cleared, evenly sprinkle 20 g granules per square metre on bare soil surface.
3. Water in with 2 hours gentle sprinkler or moderate/heavy rain (at least 10mm).
4. Repeat application when weeds begin to appear, or every three months.

• Watch our video on on how to use Weed Weapon Preventer
• Long Term Control of Weeds in Gravel and Stones
• Weed Weapon Preventer Technical Sheet

20 g/kg Oxadiazon and 5 g/kg Simazine in the form of a granule.

Ready to Use Shaker Pack: 200 g
Commercial/Agricultural: 20 kg.

• Advice for use in long term control of weeds in gravel driveways and paths.
• Not suitable for use where soil may be disturbed (i.e. pets).
• Wait 90 days before replanting seeds or sensitive plants.
• Weed Weapon Preventer is a pre-emergence weed killer.
• Weed Weapon Preventer can be used to effectively control oxalis.
• Weed Weapon Preventer supercedes Ronstar Weedstop.
• Watch our video on Weed Weapon specialist weed killers.
• How to mix and dilute spray concentrates video
• Glossary of Gardening Terms

• Do not apply directly over plants that will funnel and collect granules around their leaf base or onto wet plant leaves.
• Not for use on lawns or around seedlings or creeping plants.
• Do not plant seeds or sensitive plants into treated soil within three months of application. 
• Safe Disposal of Containers and Chemicals
• Safe Storage of Home Garden Products

HSNO Approval Code: HSR000471.
Weed Weapon Preventer SDS