[PSUBS-MAILIST] hard tank

[brian]

Hi All,
                Very jealous I can't make it to the convention ;-)  !!   I'm going to have a hard ballast tank which will be approx 21" in diameter by 36" long.  I don't  really need to access the inside of the tank and I was wondering how I could seal the inside somehow.  Some type of epoxy coating.  But once I do any welding it will desrtoy any coating.  Any ideas ?  
Thanks,    Brian 
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