Is there is a good brand of screen wash that reduces the amount of gunge that accumulates in the reservoir?

I’m in the process of clearing my windscreen washers on my Ford C-MAX which has been reduced to a dribble. I’ve used all types of solution over the years with no problems and was wondering if there is a particular brand of solution that reduces the amount of gunge that accumulates in the reservoir? I’m assuming that is the problem as I’ve cleared all the visible pipes.
Trying a better quality screenwash should reduce the amount of gunk that builds up in the reservoir. Try Prestone All Seasons screenwash, they also do a winter specific mix: amzn.to/2LuBsQA
Answered by Georgia Petrie on

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