Flyinghigh
Grow Pretty Flowers
- Joined
- May 24, 2007
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I got my Hanna Ph meter tester and it only came with the 7.0 and the instruction says I need to use a 4.0 buffer for the calibration, right..
So will these work.? The one that has free shipment is the one I want to know about.
hxxp://cgi.ebay.com/PH4-PH7-Pack-PH-meter-Calibration-Buffer-Solutions_W0QQitemZ360212102655QQcmdZViewItemQQptZLH_DefaultDomain_0?
hash=item53de507dff
hxxp://cgi.ebay.com/pH-Meter-Calibration-Buffer-Solution-4-7-or-10-4oz_W0QQitemZ370222825181QQcmdZViewItemQQptZLH_DefaultDomain_0?
hash=item5632fffedd
So will these work.? The one that has free shipment is the one I want to know about.
hxxp://cgi.ebay.com/PH4-PH7-Pack-PH-meter-Calibration-Buffer-Solutions_W0QQitemZ360212102655QQcmdZViewItemQQptZLH_DefaultDomain_0?
hash=item53de507dff
hxxp://cgi.ebay.com/pH-Meter-Calibration-Buffer-Solution-4-7-or-10-4oz_W0QQitemZ370222825181QQcmdZViewItemQQptZLH_DefaultDomain_0?
hash=item5632fffedd