You can also try the cleaner used on ceramic cooktops. It has a very fine 
abrasive of about 1000-2000 grit / micron range.

/John

> On Nov 1, 2025, at 8:29 PM, Andrew Burton via CnC-List 
> <[email protected]> wrote:
> 
> Try toothpaste. Honestly. It works with headlights.
> Andy
> 
> Andrew Burton
> 26 Beacon Hill
> Newport, RI 
> USA    02840
> 
> http://sites.google.com/site/andrewburtonyachtservices/
> +401 965-5260
> 
>>> On Nov 1, 2025, at 20:26, Matthew Wolford via CnC-List 
>>> <[email protected]> wrote:
>>> 
>> 
>> Janet:
>>  
>> The first thing I noticed in your photo was the screws, which on my 42 
>> Custom were the main sources of leaks.  Per the SOP from this list, I 
>> eliminated the screws and screw holes by replacing each lens.  With the lens 
>> removed, I cleaned up the cavities first using a putty knife to remove old 
>> sealant then using wire brushes, shop rags, and acetone.  I also filled the 
>> screw holes with an epoxy mixture.  Once the holes were filled and the 
>> cavity was fully clean, I applied 3M double-sided tape and put each 
>> replacement lens in place using the “tape hinge” method.  After that, the 
>> Dow 795 is used.  My windows haven’t leaked since (10 years or so).
>>  
>> Matt
>> Your contributions help pay the fees associated with this list and help to 
>> keep it active.  Please help by making a small contribution using PayPal at: 
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> Your contributions help pay the fees associated with this list and help to 
> keep it active.  Please help by making a small contribution using PayPal at:  
> https://www.paypal.com/paypalme/stumurray  All contributions are greatly 
> appreciated.
Your contributions help pay the fees associated with this list and help to keep 
it active.  Please help by making a small contribution using PayPal at:  
https://www.paypal.com/paypalme/stumurray  All contributions are greatly 
appreciated.

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