Project:DIY Hazardous Disposal
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Why take those dangerous materials all the way to the nearest Hazardous Disposal Unit?
Your homebrew harzardous disposal methods go here!
Deactivating a ferric chloride solution
Brief
Ferric chloride is used to etch Printed Circuit Boards.
It is corrosive, attacks metals and should not be poured down the drain.
This recipe shows how to safely deactivate a spent solution.