Homebrew PCBs

Grant,
If you are in the USA look for Lewis "Red Devil Lye"  Drain Opener.
I buy it at Krogers here in Houston.
Hans W

grantfair2001 wrote:

>  I have been unable to find any plain lye at the local supermarkets.
> Does anyone know if Sani Flush is just perfumed sodium hydroxide (and
> therefore suitable for analysis of the CuCl etchant?)
>
> Grant
>
>
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