A TDS meter is one that measures total dissolved solids. Hanna Instruments sells one for $15. Their web page is at http://www.hannainst.com/
The pocket TDS-1 meter is at http://www.hannainst.com/products/info/tdspromo.htm They also sell standardized TDS calibrating solutions for about $7. turf -- 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] List maintainer: Mike Devour <[email protected]>
