Homebrew PCBs

Newell,

I understand 35% H2O2 is the norm for food grade or use in hair salons
for bleaching hair.
You might go by your local neightborhood hair dresser to see if you
could purchase a bit.

Years ago my Dad worked at a plant where they had a dept that did
etching and plating.
They used H2O2 that was almost reagent grade, and they got it by the
barrel (very dangerous
if you get it even a little contaminated in sealed containers).

><> ... Jack
Whatever you do, work at it with all your heart... Colossians 3:23