i tell you lot out there ,my wife pays all the bills for me cause i,m rubbish with money,but she seems to think concidering how much water i make (2000lts + 2000lts waste) per week + plus all the rest of the water we use in the home,heating washing,bath,shower,loo, dishwasher +kettle and filling up sink god knows how many times ,oh yes and washing van + car and a jeep she says that it,s cheep,,,,well pat on the back for me