Prestone Concentrated Screen Wash
US giant Prestone sparked the revival of ready-mixed washes when it hit the UK a couple of years ago, but this is a concentrate version of its Screen Wash.
US giant Prestone sparked the revival of ready-mixed washes when it hit the UK a couple of years ago, but this is a concentrate version of its Screen Wash. We diluted it as suggested on the pack, at 19:1, although you may want to tweak this, because it lacked a bit of bite on the screen. It was the stand-out star in the freeze test, but at a high price.
