An effective ready to use weed control for annual and perennial weeds on hard surfaces like paths, patios and gravel. Excellent for use on garden areas in between where vegetables and plants are grown, as no residual effects in the ground. Bio-degradable with no lasting effects so once dried children and pets can enter the treated areas. 60g/1 acetic acid. Available in two sizes: 1 Litre and 4 Litre.