Compare Fast Action Weed Killer prices at Coles vs Woolworths, IGA. Lowest: $23.00. Similar products from $15.50 (Brunnings 1 Hr Fast Action Weed Kill Spray 1L at Woolworths). Prices updated daily.

Product Information

Product Details

ROUNDUP FAST ACTION WEEDKILLER

Brand	Roundup
Size	1L
Barcode	9311105008619
Categories	Cleaning And Maintenance, Pest Control

Ingredients & Nutrition

Ingredients

15.2g/L Glyphosate (present as isopropylamine salt) and 20.5g/L Nonanoic Acid

Fast Action Weed Killer

Name: Fast Action Weed Killer
Brand: Roundup

Brand: Roundup Sold by: Coles

$23.00

$23.00 per L · at Coles

Recent trend Mixed

10% above its 3-month average

Same price as at the start of the period. Lowest tracked price: $18.40.
$ / 1

Fast Action Weed Killer is listed at Coles for $23.00. That comes to $23.00 per L. Prices since March 2026 have fallen between $18.40 and $23.00. There have been 9 price changes on this listing, averaging $20.96. The $18.40 low was in April 2026. Something similar at Woolworths is Roundup Fast Action Ready To Use Weed Killer 1L at $23.00.

Available in store

View on Coles

This product

Coles $23.00

$23.00 / L

vs 3-month average +10%

above its usual price

Cheapest similar product $15.50

Brunnings 1 Hr Fast Action Weed Kill Spray 1L at Woolworths

Price history

3-month low $18.40High $23.00Average $20.96 Now vs avg +10%

Price Comparison

4 results across stores top result per store

On size alone Woolworths wins: $15.50 per L for Brunnings 1 Hr Fast Action Weed Kill Spray 1L against $23.00 per L here. The same brand is stocked at Woolworths as Roundup Fast Action Ready To Use Weed Killer 1L for $23.00.

Lowest $23.00

Woolworths

Brunnings 1 Hr Fast Action Weed Kill Spray 1L

$15.50

Save $7.50

$15.50 / L−33% / L

Match 88% 1L

Coles

Similar

Regular Weedkiller

$17.50

Save $5.50

$17.50 / L−24% / L

Match 92% 1L

Roundup Fast Action Ready To Use Weed Killer 1L

Woolworths

Exact

Roundup Fast Action Ready To Use Weed Killer 1L

$23.00

$23.00 / L

Match 100% 1L

IGA

Roundup Garden Weed Killer Concentrate

$22.65

Save $0.35

$80.89 / L+252% / L

Match 88% 280ml

Showing top result per store