Russ; One ounce per gallon of 5 ppm CS will do very well, since the silver never deteriorates.
"Ole Bob" Russ Rosser wrote: > ...through ceramic medium (Katadyn is .02 micron, sufficient to > remove even harmful bacteria), what MINIMUM ppm is required to keep it > steriile during long-term storage? --Russ -- The silver-list is a moderated forum for discussion of colloidal silver. To join or quit silver-list or silver-digest send an e-mail message to: [email protected] -or- [email protected] with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: [email protected] Silver-list archive: http://escribe.com/health/thesilverlist/index.html List maintainer: Mike Devour <[email protected]>

