Homebrew PCBs

Adam Seychell <a_seychell@...> writes:
> Are you sure its NaOH ?

The jar says "warning: contains sodium hydroxide".  It's pure lye.  It
dissolved, it just didn't dissolve *immediately*.  Most did, but there
was some leftover at the bottom that took a bit longer.  I didn't need
it right away, so I just set it aside.  It's all dissolved now.