[oasisdweeb]

i was cleaning a newly built house.the customers moved out so ive not done it 4 a while.the new owners asked me 2 start cleaning again.i did in nov.as it had been standing i took xtra care(didnt check results) customer asked me 2 leave in dec and start again in jan.i cleaned it last week.when iwent back 4 my money i noticed the bottom windows were dire,covered in white marks.is this just because its been left a while?.my water is 000.

[TERRY AB]

Basically NO, there must be some other element involved: i.e. custy cleaned windows themselves
leaving chemical remains or limescaled water (tap water), this would cause that effect, or you just
werent thorough enough. Clean again and check results (Cant be you water ? as
you say it is 0 PPM).

[MSTAV]

i got this last month on bout 10 houses dry marks and my water was 000ppm.. was coz of a building site down the road guessing all the dust..i cleaned again on sat and was fine..