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02-23-2009, 06:27 PM#2
Senior Member
TDS Meter?
i've never heard of it but for that kind of money ($20~) it seems worth it to me. Don't forget to buy something to calibrate it with......TDS calibration solution.
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- Art & Graphic Design
- Science
- Philosophy
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- GreenGrassForums Lounge
- News, Politics and Legal
- Sponsor Forums
- Medical Marijuana Methods and Strains
- Growing
- Medical Marijuana
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