• Try pure concentrated, it sure gets clean!

    Or dilute it less than the recommendation. I love getting a clean windscreen, OCD love at the push of a button

  • White vinegar or meths or IPA/rubbing alcohol added to the water can help.

    I just clean the screen with meths and wash the wipers too. But have shit wipers that were replaced and are crap. Also drop a little lube on the wiper pins so the wipers have free movement to apply pressure to the wiper on the screen.

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