[Ronja] Twister2 power problem

[Tomasz Koprowski]

On Tuesday 25 of March 2008 15:20, Bruce M Simpson wrote:

> > Maybe you can buy hydrochloric acid in a drugstore and nails at an

(...)

> It's funny you mention it, this sounds very similar to Tom Gootee's
> etchant solution, 1 part H.Cl. to 2 parts H202:-

(...)

I was wondering how do you dispose of your etchant after use? Some of the 
etchants that can be bought in electronic stores are really NastyStuff(TM) 
and shouldn't be simply poured down the sewer.

Greetz,
Tomek