Which do you think is more effective - Zinc or Nickle flake ?
Curt
Chuck Guzis wrote:
  When we were building cases from structural foam,
we'd have the paint
 place spray the inside with metallic zinc, which did the job.
 I think this stuff is the rattle-can equivalent (there are many
 brands of the stuff):
 
http://www.net4sale.com/Shop/pc/viewPrd.asp?idproduct=42&idcategory=12
 --Chuck