Sand Blasting vs. Soda


Patrick McAneny
 

My boat's topsides are about to be painted with awlcraft ,and I would like to remove a couple of layers of old bottom paint prior to that being done. The marina only does sand blasting. I have gotten the impression that soda is preferable to sand ,but not sure if this is true. The marina manager assured me that they can sand blast without damaging the gelcoat. He also recommended three coats of barrier coating prior to bottom paint.
Is there any good reason not to have a boat sand blasted ? 
Thanks,
Pat
SM Shenanigans 

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