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Hull with some browning

Old 04-24-2019, 12:33 PM
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Default Hull with some browning

Don’t kill me over this question.

This hull has a little browning above the bottom paint line. I believe that will clean right up with some rubbing compound am I right or wrong about that?





Thanks, Dave
Old 04-24-2019, 12:42 PM
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Does not come off easy, at least mine does not.

Hull cleaner from Starbrite seems to work good, just try not to get it on the trailer.
Old 04-24-2019, 12:46 PM
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Use FSR ,a product made to take off the brown crap that comes with sitting in the water. It doesn't need any elbow grease and as long as you wash it off and then put some wax on the area it will be good for most of the season. It will need to be done very yr I hate to tell you. I have 2 boats that get the treatment every Fall when the boat gets hauled.
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Old 04-24-2019, 12:53 PM
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Hull cleaner then compound/wax
Old 04-24-2019, 12:55 PM
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FSR works pretty good but I prefer Marykate On & Off.
Old 04-24-2019, 01:02 PM
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Originally Posted by David Bell View Post
Don’t kill me over this question.

This hull has a little browning above the bottom paint line. I believe that will clean right up with some rubbing compound am I right or wrong about that?





Thanks, Dave
hull cleaner....

then compound/wax
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Old 04-24-2019, 01:04 PM
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Originally Posted by Craash420 View Post
FSR works pretty good but I prefer Marykate On & Off.
Marykate works well. Reapply until it is completely gone. It is an acid, wear gloves, and don't get it in your eyes! A sponge or magic eraser works well. Just try to put it on thin an minimize the amount you get on bottom paint and trailer.
Old 04-24-2019, 01:06 PM
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I can't see why you need to compound the hull after you use the hull cleaner.
Or for that matter, wax it, either. Wax won't stay on a hull for 5 minutes in the water.

Originally Posted by mystery View Post
hull cleaner....

then compound/wax
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Y&R
Old 04-24-2019, 01:18 PM
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Originally Posted by Joe View Post
I can't see why you need to compound the hull after you use the hull cleaner.
Or for that matter, wax it, either. Wax won't stay on a hull for 5 minutes in the water.
a cleaner/wax may help remove any other marks/oxidization lurking

you should definitely wax at the waterline, anywhere UV can hit or slime from the water can adhere. it may not last a long time at the water line but its better than leaving it bare.
Old 04-24-2019, 01:25 PM
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So this does nothing for the tannin staining.

Originally Posted by mystery View Post
a cleaner/wax may help remove any other marks/oxidization lurking

you should definitely wax at the waterline, anywhere UV can hit or slime from the water can adhere. it may not last a long time at the water line but its better than leaving it bare.
Old 04-24-2019, 01:26 PM
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Originally Posted by Joe View Post
So this does nothing for the tannin staining.
right which is why i said use hull cleaner first............
Old 04-24-2019, 02:00 PM
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But my point is telling the OP to compound and wax his hull (that you corrected to mean hull sides) for tannin staining is as pointless as telling him to change the oil in his truck for the tannin staining. Neither of those things will fix it, nor even prevent it, or really do anything other than cause him a lot of work if the hull sides didn't need compounding and waxing to begin with.


Originally Posted by mystery View Post
right which is why i said use hull cleaner first............
Old 04-24-2019, 02:17 PM
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Originally Posted by Joe View Post
But my point is telling the OP to compound and wax his hull (that you corrected to mean hull sides) for tannin staining is as pointless as telling him to change the oil in his truck for the tannin staining. Neither of those things will fix it, nor even prevent it, or really do anything other than cause him a lot of work if the hull sides didn't need compounding and waxing to begin with.
every single person that i know, including professional details, that use acid to remove staining on a boat, will wax it after. otherwise its left completely unprotected. some protection is better than no protection. polymer wax / sealant is better than regular wax.

he specifically pointed out where the browning is, he has bottom paint, obviously i was not talking about the bottom of the boat

hull sides are considered hull anyways

Last edited by mystery; 04-24-2019 at 04:17 PM.
Old 04-24-2019, 02:23 PM
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The On & Off is downright dangerous. I am surprised that they are allowed to sell it for public use. I use The Works toilet bowl cleaner. I'm sure somebody will chime in and tell us what type of acid is in The Works(I think oxalic) but it works and is far less dangerous than On & Off.
Old 04-24-2019, 02:34 PM
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Originally Posted by tarpononecharter View Post
The On & Off is downright dangerous. I am surprised that they are allowed to sell it for public use. I use The Works toilet bowl cleaner. I'm sure somebody will chime in and tell us what type of acid is in The Works(I think oxalic) but it works and is far less dangerous than On & Off.
Here is the SDS: 620128.pdf
Old 04-24-2019, 02:42 PM
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Originally Posted by mystery View Post
Here is the SDS: Attachment 1098808
I just read the SDS. Other than the fact that it can blind you, burn your lungs and skin, I'm sure it will take the tannin stain off of your boat.
Old 04-24-2019, 02:42 PM
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try this product shown in vid. not expensive.
(Oxalic acid is your friend)

Old 04-24-2019, 02:44 PM
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I'd 1st try a Mr. Clean Magic Eraser wetted out with 303 Protectant .
Old 04-24-2019, 02:45 PM
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Lysol toilet bowl cleaner is the bomb. $5 and the stains are gone. You can do all the other if you like, but this is ezpz.
Old 04-24-2019, 02:55 PM
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Toilet bowl cleaner all the way. Go to Dollar General and get the cheapest stuff you can find. Squirt on, wait a few minutes, hose off. You can dilute muriatic acid too, but be very careful.
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