Fenwicks Black Streak Remover What is Fenwicks Black Streak Remover? My caravan is plagued by black streaks. I’ve tried everything to prevent them happening, but nothing works. I have tried things you slide in the awning rails. Also, I’ve tried using specialist polish, and even tried a mixture of lemon juice and Unicorn’s pee. Ok, … Continue reading Fenwicks Black Streak Remover