McGregor's Weed Out Weed Killer is a non-selective weed killer used for controlling annual and perennial weeds including grasses and broadleaf. 500 ml Ready to Use treats up to 5 m2 of weeds. Rainfast in 2 hours. Ready to use. Spray emerged actively growing weeds, ensure all leaves are wet. McGregors Weed Out™ can be applied all year round. Do not apply if rain is likely within 2 hours. (Rainfall within 2 hours of application may reduce effectiveness).
Contains 3.6 g/L of Glyphosate as the isopropylamine salt in the form of a ready to use liquid.