Hi Harveyc, you can either attach this washer to your main water supply, for which you will need your existing garden hose. However if you would like to recycle your water and take it from a pond, water butt, a tank or even a bucket you could try this part: http://www.espares.co.uk/part/pressure-washers/karcher/p/1315/877/0/0/546259/suction-hose-and-filter.html