
Doff Knockdown Weedkiller 3L Lance Spray
£9.99 ex. VAT
Complete the job
Optional extras
- Free delivery from £50
- 14-day returns
- Secure checkout

Product details
Description
About this product
Doff Knockdown Weedkiller 3L Lance Spray
Doff Knockdown is a ready to use 3 litre weed killer spray with a lance spray system and adjustable spray patterns for treating large areas. It kills weeds down to the root and breaks down in the soil, so treated areas can be replanted.
Key features
- Kills weeds down to the root
- Breaks down in the soil so treated areas can be replanted
- Ready-to-use with a lance spray system
- Adjustable spray patterns
- 3 litre bottle
- For use between February and October
Specifications
| Brand | Doff |
| Size | 3L |
| Formulation | Ready to use |
| Season | February to October |
Why choose a lance sprayer weed killer?
The lance keeps the nozzle close to the weeds without bending, and the adjustable spray patterns let you switch between spot treatment and wider coverage. It is a practical weed control spray for larger plots.
How to use
- Always read the label and use pesticides safely.
- Attach the Doff lance and pick a spray pattern.
- Do not spray in windy conditions.
- Keep children and pets off treated areas.
FAQs
Can I replant after using Doff Knockdown?
Yes. It breaks down in the soil so treated areas can be replanted. Follow the label for the wait time.
When can I use this weed spray?
Between February and October.
Is it ready to use?
Yes. It comes ready to use with a lance.
Specifications
- Kills weeds down to the root
- Breaks down in the soil so treated areas can be replanted
- Ready-to-use with a lance spray system
- Adjustable spray patterns
- 3 litre bottle
- For use between February and October
| Brand | Doff |
|---|---|
| Size | 3L |
| Formulation | Ready to use |
| Season | February to October |
Frequently asked questions
Can I replant afterwards?
It breaks down in the soil so treated areas can be replanted. Follow the label for the wait time.
When can I use it?
Between February and October.
Delivery & returns
Delivery (UK only)
- Standard delivery £4.99, or free on orders of £50 or more. Arrives 2 to 3 working days after dispatch.
- Express delivery £6.99. Arrives the next working day after dispatch.
- Order before 1pm Monday to Friday and it is dispatched the same working day. Later orders, and orders placed at the weekend, are dispatched the next working day.
- We do not dispatch at weekends or on UK bank holidays.
- Remote postcodes can take longer. Heavy items may come on a pallet.
Returns
- Changed your mind? Tell us within 14 days of delivery, then send it back within a further 14 days.
- Faulty items can be returned within 30 days.
- Tinted or mixed paint, opened sealants and chemicals, and cut-to-size goods cannot be returned.














