Roundup Fast Acting Pump N Go Refill delivers systemic weedkilling action that eliminates weeds from root to leaf, preventing regrowth at the source. The glyphosate-based formula works rapidly, with visible results within 1-2 days of application, making it highly effective for clearing established weeds across patios, driveways, and garden beds. This 5-litre refill naturally degrades in soil through microbial action, breaking down safely without leaving persistent residues. An efficient solution for comprehensive weed control when you need reliable, fast-acting results.