> had to get 30% H2O2 to get it going again. Note that the initial
> etching is not CuCl but probably HCl. I saw a lot of bubbles in mine
> - probably Hydrogen. Have good ventilation.
I was considering doing it outside, I have heard that it releases
Chlorine...
> I suggest you mix a smallish batch - 1 L 3% H2O2 + .5 L 30% HCL to
> start. You will need a fair amount of 30% H2O2 to regenerate it so
> smaller is better.
Where can I get 30% H2O2 from? Will they have it a home depot? I am
hoping to reuse this stuff over and over, to avoid trips to the waste
disposal...
> You might want to store the etchant in the etching vessel. Pouring a
> caustic liquid isn't fun.
This is not an option, it is an open topped flat container that I got in
the radioshack pcb etching kit.
> Note that this brew attacks some plastics - I had left 2 air "stones"
:( is PET (or LDPE) OK?
--
Anthony Toft <
toftat@...>
I'm Anton, and I approve this message