Homebrew PCBs

Leon Heller wrote:
> ----- Original Message ----- 
> From: "grantfair2001" <grant.fair@...>
> To: <Homebrew_PCBs@yahoogroups.com>
> Sent: Wednesday, April 23, 2003 4:58 AM
> Subject: [Homebrew_PCBs] Sani Flush - is it lye (sodium hydroxide)?
> 
> 
>>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?)
>>
> 
> My local builders merchant stocks it.
> 
I've seen it sold as garage/concrete floor cleaner in hardware shops.