I just went and cleaned my own windows again WFP.(3rd time) Theres spots EVERY WHERE! They came out perfect last time, I dont know whats went wrong, Im getting worried about a house I done with the WFP a few days ago. Thing is ill be going round to collect the money tonight. If there in the same mess as mine Ive no chacne of getting paid lol There nothing wrong with the water, I checked it. Theres nothing wrong with the TDS meter I just got it the other day.