Unformatted text preview: contributes to my consistent readings without any need for re-calibration at all. Added by ~shabang~ : I've had the lower model waterproof Oakton pens for over 5 years with no problems. I've replaced the pH probe twice since I let it dry out too long, but I did that for piece of mind and not because it really needed it. Last modified: 18:32 - Nov 07, 2000 Quicklink: http://overgrow.com/growfaq/19 GrowFAQ © 2000-2004 Overgrow faq:19 "What is a good ph/EC/TDS meter?" Compiled by QMP3T...
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This note was uploaded on 09/17/2009 for the course BIO 328 taught by Professor Roux during the Spring '08 term at University of Texas.
- Spring '08