Y10 Fibreglass Gelcoat Stain Remover Boat Cleaner
This item is worth 55 Marine Miles points!
Y10 rapidly absorbs yellow/brown waterline and transom stains without rubbing, scrubbing or any effort whatsoever. It is said by some old sages that you can do the job with Swarfega (you can't) or a solution of oxalic acid (you can if you can a: find it and b: get it so stay on a vertical surface long enough to work).
340 gram pot.