Aug 15, 2022 #1 L Lollygag1 Guru Joined Aug 23, 2016 Messages 875 Location US Vessel Name Lollygag Vessel Make 34 Mainship Pilot Hardtop I have some caulk along the underside of the hardtop which is developing a black crud. Tried soft scrub and a toothbrush no dice. Any suggestions
I have some caulk along the underside of the hardtop which is developing a black crud. Tried soft scrub and a toothbrush no dice. Any suggestions
Aug 15, 2022 #2 Comodave Moderator Emeritus Joined Jul 2, 2015 Messages 22,037 Location Au Gres, MI Vessel Name Black Dog Vessel Make Formula 41PC Maybe some bleach on a small brush.
Aug 15, 2022 #3 RT Firefly Enigma Joined Oct 21, 2007 Messages 16,784 Location Bumpkin? Greetings, Mr. L. Sounds like mould (mold) to me. We've used Starbright on upholstery with very good success. https://www.amazon.com/Star-brite-Mildew-Stain-Remover/dp/B076QHBRQH
Greetings, Mr. L. Sounds like mould (mold) to me. We've used Starbright on upholstery with very good success. https://www.amazon.com/Star-brite-Mildew-Stain-Remover/dp/B076QHBRQH
Aug 15, 2022 #4 M MonarchBeacher Veteran Member Joined May 21, 2019 Messages 32 Location United States Usually it's mold on the silicon. Tide makes a gel bleach that I've used in the past: just run it on, leave it for a while and then rinse very well.
Usually it's mold on the silicon. Tide makes a gel bleach that I've used in the past: just run it on, leave it for a while and then rinse very well.
Aug 15, 2022 #5 clburti Veteran Member Joined Dec 4, 2021 Messages 33 Vessel Name Gon Bei Vessel Make GB 49 Classic #110 First choice = RMR-86 Pro...Amazing product, better than household bleach. https://www.amazon.com/RMR-86-Insta...9Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU= Second Choice = STAR BRITE Mold & Mildew Stain Remover and Cleaner more expensive and slightly less effective. https://www.amazon.com/STAR-BRITE-Mildew-Remover-Cleaner/dp/B09W7NJ1YL
First choice = RMR-86 Pro...Amazing product, better than household bleach. https://www.amazon.com/RMR-86-Insta...9Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU= Second Choice = STAR BRITE Mold & Mildew Stain Remover and Cleaner more expensive and slightly less effective. https://www.amazon.com/STAR-BRITE-Mildew-Remover-Cleaner/dp/B09W7NJ1YL
Aug 15, 2022 #6 IRENE Guru Joined Jan 8, 2016 Messages 1,251 Location British Columbia Vessel Name Irene Vessel Make Nordhavn 40II I have had success with Simple Green (full strength) on a cotton rag. I have no idea what sealant or adhesive I cleaned.
I have had success with Simple Green (full strength) on a cotton rag. I have no idea what sealant or adhesive I cleaned.
Aug 16, 2022 #7 H Hippocampus Guru Joined Jul 27, 2020 Messages 4,083 Location Plymouth Vessel Name Hippocampus Vessel Make Nordic Tug 42 On Off followed by a good fresh water rinse.