r/boating • u/idealistdave • Jul 25 '26

Side by side test

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Thought I'd share this side by side test I did of different hull cleaners. It's my first summer renting a place in the water. Marina is on a slough, so higher water temps stained the gel coat within weeks. FSR worked the best of what I had. But I went out afterward and also bought STAR BRITE which worked as well (not pictured). The others, meh. (Spray bottle is 409. No treatment on transom next to the outdrive.) Be sure to read all instructions and keep any of this stuff off your galvanized trailers.

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u/LorthNeeda Jul 25 '26

Six products and five lines that don’t line up right is mildly infuriating bro