I use Auto Finesse products, I really like all their range, this week I tried the Acqua Wash, not a product I would normally try. So you wash your car, rinse, spray on, rinse straight off and dry off as normal. I did very briefly get distracted however when I leather the car off the paintwork was a right mess, can only describe it badly dried water marks or a washed and left to dry in the hot sun, what a mess, it would not wash off or spray wax off I had to polish it all out with a lot of elbow grease.
You are supposed to wash it off immediately but regardless it ain't worth the risk, it was that bad I will be writing to them to suggest it comes off the market.
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MR200 Stage 3 200PS
Evans Halshaw
Mountune Pro