What is a good way to test ppm? I have a Hanna TDS 1 tester, but it seems VERY inaccurate if color is any indicator. The accuracy range is also very large. Is there something that can be used that is accurate, yet inexpensive? Cheli
--- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.265 / Virus Database: 137 - Release Date: 7/18/2001 -- 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]>

