hi only been going 5 weeks but picking up new customers all the time just wondering if im doing ok coz ive got a 500 lt tank but only manage to get around 13 to 15 houses out of it and takes me around 8 hours earning me around £120 to £140 in the day is this around what i should be expecting or will i speed up much more i know ive got quite a bit quicker since i started the first few days was really hard just cheaking im doing ok really dont think its bad im on £15 to £17.50 ph