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nafex - [NAFEX] pH meter use

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  • From: Jim Fruth <jfruth@uslink.net>
  • To: <nafex@lists.ibiblio.org>
  • Subject: [NAFEX] pH meter use
  • Date: Wed, 07 Dec 2005 09:10:15 -0600

To get accurate readings using a 'cheap' pH meter, the user must use a
scrubby, such as a Scotch-brite pad to polish the (oxidized) tip. If the
tip is gray in color, it is oxidized and won't give an accurate reading.
The tip needs to be a sparkling silver color. Equally important is that the
medium to be tested be thoroughy saturated - if too much water is added, the
pH reading will be affected by the pH of the water. Before expecting a pH
reading, allow the material to completely drain before taking a reading.
--

Jim Fruth
Brambleberry Farm
Pequot Lakes, MN
www.bberryfarm.com






  • [NAFEX] pH meter use, Jim Fruth, 12/07/2005

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