Weed Killer for Patios, Paths & Drives: Xtreme Weed Killer is a glyphosate-free formula that will kill undesirable weeds without the use of potentially harmful chemicals that can have a negative impact on the environment. It contains 60g per litre of acetic acid. Acetic acid is the main ingredient in most types of vinegar and over the years, has proven to be very effective against weed growth. It is frequently mentioned for this purpose in magazines and tutorials on gardening. Xtreme Weed Killer is a potent weed killing formulation utilising acetic acid, that is now recognised as one of the best and simplest solutions for controlling annual and perennial weeds. High-Strength Ready-Use Formula: Our new high-strength formula is even stronger now with the active ingredient Acetic Acid at 60g. The results can be seen in in less than 24 hours. It delivers a rapid and effective solution to eradicate unwanted weeds on driveways, patios and paths. It is also ready-to-use so you can spray the powerful weed killing formulation straight from the container without having to dilute it. The Xtreme Weed Killer spray can target any unwanted weeds and once dry is totally harmless to pets or wildlife. It is the perfect solution for anyone looking to keep their garden and external hard surfaces weed-free, whilst avoiding the need for frequent back-breaking weeding or hiring a gardener.