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Sat, Mar 15, 08 at 11:30
| I recently suggested that this was a good EC meter:
Unfortunately, it only reads up to 2,000 ppm. It's still awfully convenient and at $40 it's cheap, but if you are growing something like tomatoes, you need a better product. Sorry for giving bad advice. |
Follow-Up Postings:
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| I don`t see any problem with your advice, 2000ppm is enough for toms. Depending on the conversion factor it would equate to an EC of 2.8 or 4.0 Its a cheap meter for $40 :) |
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- Posted by cuestaroble 8 CA Mtn (My Page) on Fri, Mar 21, 08 at 21:39
| 2000 ppm EC is probably enough for any plant/crop. Using the standard conversion of 640 ppm/1 EC, that is 3.1 EC, at the high end for most greenhouse crops. For tomatoes, 1.7-2.9 would be the optimal range, so this meter, if accurate, would serve one well. I agree with hex, a good price for a simple meter. |
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