Brilliant info I did try my cheap one but it wouldn't work, tried filling it with the tap first then into the barrel, would that have primed it enough or would it have to be the way you described please?
Your cheap one will work Moll. What you do is take the end of where it connects to your washer and get someone to put there finger over the hose. Then you go to the other end and fill the hose length up with water. Once its full plonk that end back into the water and tell whoever is holding it at the washer end to let there finger off. The water should come through pushing the air with i