Join Date: Sep 2008
Location: Victoria B.C. Canada
Thanked 105 Times in 96 Posts
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Virtually and normal additive to epoxy will strengthen it with the exception of the light fairing additives. I'd go with whatever is less expensive.
I didn't mean the least expensive filler. but whichever is less expensive between epoxy or Interprotect 2000.
Colloidal silica is a good thickener for underwater use.
Living aboard in Victoria Harbour