I have been talking with a very large dealership around town about powerwashing the cars on the lot 2 or 3 times per month. It is a large lot with around 300 vehicles which would need soaped and rinsed to remove dust, bird droppings...not a complete detail.
What kind of pressue and GPM should I be looking at for this? I would like to not scrub anything so was thinking a hot water washer (expensive I know)...found one that is 1000psi and 2gpm?
I guess I need to know what would be ideal sized unit and if the hot water will help with the cleaning. Planning on rinsing w/ RO/DI water to minimized spotting as well.
Is there any particular soap brand I should look at? Thank very much!
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