Maryfrances- We make our own. It’s just powdered boric acid mixed
half and half with denatured alcohol.
You can buy the boric acid powder from most jewelry supply places.
Borax works for casting but no this. You need the fine powdered
stuff. The denatured alcohol I get at Home Depot or any hardware
store. It’s in the painting dept. We buy it by the gallon.
It must be denatured alcohol. Rubbing or Isopropyl will NOT do.
Just mix together in a small jar and dunk your work in it before
soldering. Keep the lid on the jar at all times. If you accidentally
set it on fire, and believe me you will at some point, don’t panic.
Just put the lid back on as quickly as possible and it will smother
Every one has their preferences of one product or another, but home
made works for us. I also always make my own glass cleaner rather
than pay a stupid amount of money for windex. I grew up in a house
with a chemist, so I have no fear of chemicals.
Have fun and make lots of jewelry.