Help Removing Hard Water Spots on Boat

[Mike Phillips]

Thanks for the reply! The spots don't seem to be "etched" into the gel coat but vinegar doesn't remove them.

When I run my hand across the surface it doesn't really even feel rough. Here's another picture.

I have an article that explains how vinegar works. So many people recommend using vinagar and it's really only going to work for very specific water spots.

Using Vinegar to remove water spots


For your boat, looks like machine polishing should work. Then seal with some wax or sealant.


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[malibuboats91]

I have an article that explains how vinegar works. So many people recommend using vinagar and it's really only going to work for very specific water spots.

Using Vinegar to remove water spots


For your boat, looks like machine polishing should work. Then seal with some wax or sealant.


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Mike - thanks for the help!

[malibuboats91]

I decided to use the 3 step system from Meguiar's that I bought. It's taking the water spots right off and I guess my boat was a little faded/oxidized. I have only done above the rub strip so far

[tncumminsguy]

I have found two methods that work great on boats, one is to spend the time with a Buffer and some meguiars marine heavy oxidation cleaner or while you are washing your boat take a spray bottle with a 15% CLR and degreaser combo and water.

This boat had terrible water spots from not being cleaned for years, it had always been stored inside but I was amazed how oxidized the blue was