In a video, he showed how you can use washing up liquid to revive your lawn. A 500ml bottle of washing up liquid from Aldi only costs 62p, making this a cheap hack to test out. Anglian Water, Cambridge Water, South East Water, South West Water, Southern Water, and Thames Water have all put a hosepipe ban in place for their customers. You can use a postcode checker to see if your property is in an area with a hosepipe ban. Will you be trying out this hack to help revive your lawn this summer?