Wheelbarrow Water Bag H2GO - 20 Gallon H2Go Bag. A problem solver for equestrian, allotment, garden and building use. A way of transporting up to 80lt of water in a wheelbarrow where there is no hosepipe available. Designed with a fitted spout making it easy to pour and a cap which is permanently attached. Comes with a non-slip mat to place in the wheelbarrow.