Posted by Jerry in Idaho [24.49.176.137] on Tuesday, July 14, 2015 at 20:09:37 :
In Reply to: of copper water tank posted by mannyc [70.199.67.4] on Tuesday, July 14, 2015 at 20:03:55 :
Lots of silicon sealers that will do the job. Make sure the surface is absolutely clean and dry. Maybe even a light sanding with emery cloth. But by then, you could solder it.