On 24/03/19 16:35, Rob via Groups.Io wrote:
OK...thanks...?? two issues... one being?? regenerated and reused many, many times.
the
other is copper chloride disposal.
What are we really talking about here with copper chloride disposal?
How dangerous is copper chloride... this amount of copper chloride.....?? 150 ml of liquid.....?
Copper sulphate is sold as root-rot toilet unblocker and other copper compounds as fruit fungicide.
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I found ferric chloride with its combined copper and HCl makes an excellent weed killer.
With lots of dilution, dump in the garden, away from anything you care about.
Ferric chloride is a flocculant used for treating drinking water: Profloc-F
I bought a *large* bottle of that stuff cheap years ago, and not much got used after i found out how to regenerate the etchant with airration and HCl.
