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Sunroof Drain Cleaning Tool - Recommendation?

15K views 48 replies 17 participants last post by  OverThinker  
I stress I have not done what I am about to propose for cleaning pollen out of drains. When I have had a thick layer of pollen on a plastic green house roof that scrubbing would not remove, I used some 30 Second cleaner which is a bleach and the stuck pollen would after waiting a minute instantly wash away with gently flowing water.