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Old 08-12-2022, 01:44 PM   #1
Join Date: Apr 2019
Posts: 95
Default Brown stain

Hello everyone,

I store my 2001 Maxum 1800SR boat in a shed and only take it out when going to the lake. Every time I take it out it gets covered in a brown stain at the bottom half of the gelcoat. I think the lake must be covered in brown muck or something.

I used a starbrite stain remover and it comes up white every time.. I see others putting in their boat and comes out just as white as it went in. Is there a coating or something that people put on the gelcoat to prevent brown stains? If so any recommendations?

Sorry if this sounds basic but I'm sick of buying/using stain remover every time.

Thanks :-)

Proud owner of a Maxum 1800SR year 2001.
Engine: Mercruiser 4.3 LH 1996 carb V6 engine.
Outdrive: Alpha1 Gen2 with 1.8gear
Keen interest in anything electronic or gadget related!
fester is offline   Reply With Quote
Old 08-15-2022, 06:26 PM   #2
Lt. JG
Join Date: Jul 2022
Posts: 28

They are most likely using a sealant like 303 or Natural Marine. In our experience, you still do need to have a fairly nice smooth surface for them to be highly successful.
Derby Time is offline   Reply With Quote

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