Roundup total weedkiller is a 5 litre ready to use weedkiller designed to kill weeds all around the garden it has a systemic action which will permeate the roots so that the weeds wont grow back any solution that lands on the soil is degraded by micro organisms to allow replantingthis pump n go unit contains a ready to use formula in a pressure sprayer so to apply simply pump the handle a few times and enjoy a continuous spray for 10 minutes ideal for spraying large areas and preventing