I have the etchant in the tank (no photo), and the spare chemicals
(concentrated form) in glass bottles.
The etchant itself does not have a very high concentration of HCl so
it can be kept in the tank which is just closed with a lid (not
airtight).
ST
On Fri, May 22, 2009 at 8:55 PM, Alessio Sangalli <alesan@...> wrote:
> Stefan Trethan wrote:
>
>> I don't need to pour stuff back in since my etchant lives in the
>> (covered) etching tank all year round.
>
> so this etching tank is the glass container you store your chemicals? Do
> you have a photo of it?
>
> bye!
> as
>
>