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Old 02-05-2014, 08:02 AM
Earthlystuff Earthlystuff is offline
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Join Date: Feb 2014
Location: Norway
Posts: 1
Default PPM meter Hanna HI98308

Hi, iam totaly new to hydroponics and i have a Hanna HI98308 PWT meter that i wonder if i can use to measure PPM/EC?

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