Homebrew PCBs

Hi Stefan,

I bought a lot of acid because I use it for removing rust as well. I 
also bought sulphuric acid for anodising and a number of other chemicals.

Les


> 
> 
> That must be huge amount of acid and H2O2 for ~~100eur.
> 
> I got it from a local chemicals shop for i think 6eur/l for H2O2, with the  
> bottle.
> Refill is cheaper but i haven't used it up yet.
> 
> ST