scugpg Posted June 16, 2013 Report Share Posted June 16, 2013 I have some signifigant water line stains on the boat and motor and was wondering what to use that isn't too harsh on the paint or trailer. hot water and dish soap isn't making a dent in the stains so need something stronger. Also tried engine degreaser on the motor and no luck. Thanks Link to comment Share on other sites More sharing options...
zamboniwaterboy Posted June 16, 2013 Report Share Posted June 16, 2013 This brand of product is great. http://www.auroramarine.com/catalog_alumabrite.php http://www.auroramarine.com/catalog_boatcleanplus.php Link to comment Share on other sites More sharing options...
DRIFTER_016 Posted June 16, 2013 Report Share Posted June 16, 2013 I have always used CLR on a sponge to wipe the mineral stains off my OB. Wear gloves, pour a little CLR on the sponge, wipe and then rinse with the hose. Do smallish sections at a time. I usually do the lower unit, then the middle section. I don't let it get on the motor cover. Link to comment Share on other sites More sharing options...
mistaredone Posted June 16, 2013 Report Share Posted June 16, 2013 Bam cleaner worked great for me Link to comment Share on other sites More sharing options...
Old Ironmaker Posted June 16, 2013 Report Share Posted June 16, 2013 Spray 9 cleaner for light water stains. Cap't Phab if that doesn't work. Link to comment Share on other sites More sharing options...
fishindevil Posted June 16, 2013 Report Share Posted June 16, 2013 Most all the marinas and boat dealers have hill and engine cleaners Canadian tire has a product called All-off and it's in a spray bottle for $22 and it works on everything it's the eat cleaner I have ever used on boats Link to comment Share on other sites More sharing options...
aplumma Posted June 16, 2013 Report Share Posted June 16, 2013 The deposits are mineral based so you need a weak acid to get rid of them. Look in the bathcleaner section for lime removal products. Remember to wipe and rinse frequently and test before you go wild. I use CLR to restore my 150 evinrude and then an epoxy based motor paint to get rid of the cavitation burns. Art Link to comment Share on other sites More sharing options...
Angler management Posted June 16, 2013 Report Share Posted June 16, 2013 (edited) Toilet bowl cleaner was recommended to me from a marina. They had a ton of peoducts on the shelf, and when i adked which one they use for their detail jobs, i was told "none, dont waste your money!" All they use is toilet bowl cleaner and a brush, let sit for 5-10 mins. And rinse off well. Ofcourse dont use in or near water, and MAKE SURE ITS RINSED OFF!!! Before launching boat. Worked amazing for me and got rid of stains i could never get off with previous expensive cleaners. Boat looked new again after 14 years! Edited June 16, 2013 by Angler management Link to comment Share on other sites More sharing options...
scugpg Posted June 16, 2013 Author Report Share Posted June 16, 2013 clr doesn't look to work with painted surfaces. will try a few basic suggestions and if that doesn't will try a low acid one thanks Link to comment Share on other sites More sharing options...
Sinker Posted June 16, 2013 Report Share Posted June 16, 2013 Mr clean magic eraser work, but takes forever lol My old man always used spray nine. I don't clean mine. I painted it the colour of dead grass so the grime stains aren't noticeable haha S. Link to comment Share on other sites More sharing options...
bigbuck Posted June 17, 2013 Report Share Posted June 17, 2013 Go to Canadian Tire and pick up some hull cleaner. It is a weak acid solution that breaks down quickly. Get a spray bottle, mix. 1/3 cleaner with 2/3 tap water and spray all over under the water line. Let it sit for 5 minutes then give a it a light scrubbing with a car wash brush and spray off. I bought a one gallon jug 4 years ago and still have enough for 2 more seasons. Link to comment Share on other sites More sharing options...
vance Posted June 17, 2013 Report Share Posted June 17, 2013 Starbrite hull cleaner took off all the discoloration off my painted hull, sold at Canadian tire. vance Link to comment Share on other sites More sharing options...
lew Posted June 17, 2013 Report Share Posted June 17, 2013 For my fibreglass boat I use a product called "On & Off" Brush it on and rinse it and it does an excellent job. Link to comment Share on other sites More sharing options...
Luke V. Posted June 17, 2013 Report Share Posted June 17, 2013 I use bug and tar remover. It's for RVs and trailers. Works like a charm. But little pricey at 16 bucks a bottle. You can find it at any RV dealership. Link to comment Share on other sites More sharing options...
Fish Farmer Posted June 17, 2013 Report Share Posted June 17, 2013 Vinegar Link to comment Share on other sites More sharing options...
bigbuck Posted June 17, 2013 Report Share Posted June 17, 2013 Thanks Vance. It is called Starbrite. It works great and a bottle is under 20 bucks and it will work wonders on the scum line. The big jug I bought was from a marina's end of season sale. Canadian Tire sells the smaller bottle but it is enough to do your boat twice if you water it down. Full strength is not needed. Link to comment Share on other sites More sharing options...
scugpg Posted June 17, 2013 Author Report Share Posted June 17, 2013 thanks for all the suggestions. after trying concentrated vinegar with no luck, tracked down some lysol toilet bowl cleaner with lime and rust remover from home hardware. It worked amazing. I just let it sit for a couple minutes and with gentle scrubbing and a rinse and the stains are all gone! Link to comment Share on other sites More sharing options...
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