Which gelcoat cleaners are best at combating waterline yellowing on boat hulls? Ben Meakins dons his rubber gloves and puts 10 products to the test

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Hempel Cleaning Gel

PRICE: £14.95/500ml (£29.90/lt)
Contact: www.hempel.co.uk
Hempel’s Cleaning Gel is a thick bright blue gel, the thickest on test, which required some squeezing to remove from the bottle. It could then be applied with a brush on to the stained area. It should then be left for 15-30 minutes and removed with freshwater hosing. It can be agitated with a brush if required. Some light staining remained after the first application, but a second dose resulted in a clean white hull.

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  1. 1. Introduction
  2. 2. International Stain Remover
  3. 3. Silky Marine Bright
  4. 4. Starbrite Hull Cleaner
  5. 5. Farecla Professional Rapid Stain Remover
  6. 6. Y10 Stain Removing Gel
  7. 7. Meguiars Marine Heavy Duty Oxidation Remover
  8. 8. Grunt! Boat Cleaner
  9. 9. Chine Shine
  10. 10. Boat Buddy Marine Surface Wash
  11. 11. Hempel Cleaning Gel
  12. 12. PBO Verdict
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