Rootblast | Super Strength Concentrated Total Weed Killer - Glyphosate for Effective Weed Control - Kills Weeds down to the their roots (1 x 1L), Packaging May VaryCONCENTRATED FORMULA: Rootblast weed killer is a powerful solution that comes in a concentrated form, making it highly effective at killing weeds down to the roots. SUPER STRENGTH GLYPHOSATE: With a high concentration of glyphosate, Rootblast provides effective control over a wide range of weeds, including tough to kill perennial weeds. KILLS WEEDS AT THE ROOT: Unlike other weed killers that only target the leaves of weeds, Rootblast penetrates deep