acks silver blackener which is hydrochloric acid 100g/L and
tellerium dioxide 20g/L.
Well, stop using that. Switch to Liver of Sulphur.
For pickle, you can switch to citric acid, which many people on the
list like just fine. Being old fashioned, I’m still using Sparex or
For every process, just ask yourself, is there a less toxic
For processes where the answer is no, capture at the source with
Or, just don’t do it.