Hmmm, my belief...Both have their own efficacy, but I personally would not 
ingest that 'CS' product.  We have come a long way since the 1800's product.

But then, each to his/her own opinion and/or belief I guess.

N.

________________________________
From: Phil Morrison <[email protected]>
Sent: Sunday, 17 January 2021 4:23 AM
To: [email protected] <[email protected]>
Subject: CS>Why I use CS - And not EIS

Silver nanoparticles, and not ions, work best.

https://www.silver-colloids.com/history-silver/