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TDS meters
I looked up what TDS meters I have/had. The pH/TDS meter that was
horrible was the Agritest-1 from hanna instruments ($80). It
wouldn't stay calibrated and even when newly calibrated it wouldn't
give the same readings as the expensive scientific meters in my
university lab (it was WAY off. To the point of being worthless). I
called the retailer that I got it from and they were great about it.
They let me send it back even after the 30 day return policy had
expired and I exchanged it for a better model (I still had to pay the
difference of course). The next one I got is also from Hanna
Instruments but is called the GroCheck meter. It does pH,
conductivity, and TDS. The cost was $169. This one stays calibrated
for very long periods of time, the probe doesn't need to be soaked in
solution all the time (pain in the butt), and its readings
consistently match my scientific meter. So this meter is great to
have in the fish room. just stick the probe in the water and be
assured that you're getting the correct readings. I also really
liked how the retailer handled themselves and they sell these meters
at cheaper prices than anywhere else I've seen. (I suppose I'll get
sued now. oh well.)
The company was:
International Ripening Company
Home of QAsupplies.com
Mail & Physical Address:
1185 Pineridge Road
Norfolk, Virginia 23502-2095 U.S.A.
Toll Free Phone (North America): 800.472.7205
Telephone: +1.757.855.3094
Facsimile: +1.757.855.4155
info@QAsupplies.com
--
Brian Ahmer
ahmer.1@osu.edu
http://www.angelfire.com/or/biggestbri
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