CLEAR HOSE B AND Q GET 30M. THEN IF IT BREAKS OR YOU NEED TO CUT SOME OF FROM WHERE AND TEAR YOU DONT HAVE TO BUY A HOLE NEW LENGTH. OR JUST BUY A BACKPACK. THEY WORK FINE FOR £10-£15 CLEANS. LIGHTER AND YOU CAN ACCESS TERRACE. TAKES A WHILE TO FILL UP SO IVE FITTED A CAMPING PUMP TO MY MAIN TANK. IM IN WELLING.