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Old 04-12-2009, 01:23 PM
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Default What else do i need? beside ph meter
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Hey all, i have my ph meter coming this week do i also need to get this meter aswell: EC/PPM/CF Meter

thanks
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Old 04-12-2009, 01:29 PM
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id get ya self 1 rite away mate!! ya dont want to over fertalize
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Old 04-12-2009, 01:34 PM
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Yes you need the ec ppm meter. I didnt know i had a crap load of minerals tds in my water and over fed my plants. you may be starting with 4-500 ppm before adding nutes and if you dont account for them you will over feed your plants or even lock out your nutes.
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Old 04-12-2009, 01:38 PM
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Noone even asked if you are growing in soil or hydro. If you're growing hydro, then yes, you should really get a TDS/PPM/EC meter. If growing in soil, i'm of the thought that you don't need one.
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Old 04-12-2009, 02:12 PM
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growing in hydro - many thanks, dont think ill give them any nutes until the meters arrive, thanks
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Old 04-12-2009, 02:17 PM
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so looks like i need to get a tds meter too, is this a must?
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Old 04-12-2009, 02:24 PM
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Quote:
Originally Posted by marni3d View Post
so looks like i need to get a tds meter too, is this a must?
It is essentially the same thing.
EC=Electrical Conductivity
PPM= Part per million, calculated either by ECx500, ECx640, ECx700 depending on the brand of meter you buy
TDS=total dissolved solids, http://en.wikipedia.org/wiki/Total_dissolved_solids

You really only need to measure one of these, i prefer EC because it is a universal rate and doesnt fluctuate based on brand of meter.
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Old 04-12-2009, 02:36 PM
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Quote:
Originally Posted by SpruceZeus View Post
It is essentially the same thing.
EC=Electrical Conductivity
PPM= Part per million, calculated either by ECx500, ECx640, ECx700 depending on the brand of meter you buy
TDS=total dissolved solids, http://en.wikipedia.org/wiki/Total_dissolved_solids

You really only need to measure one of these, i prefer EC because it is a universal rate and doesnt fluctuate based on brand of meter.
thanks so i take it you can calculate the tds from the other readings.

the stick measures ppm, ec & cf



specs:
Waterproof
Range: 4 - 52 CF 280 - 3640 ppm (EC x 700); 0.4 - 5.2EC 200-3000ppm(ECx500)
Resolution: 0.1 EC(1 CF); 70ppm 700; 50ppm 500
Accuracy: ±4% of reading
Temperature Compensation: Automatic
  • Operating Temperature: 0 - 50?(32 - 122?F)
  • Calibration: Factory Calibrated
  • Power Source: 3×1.5V Alkaline Batteries (Included)
  • Auto Sense: Auto On and Auto Off

will this and my ph meter be fine? is there anythink else i need? thanks
 

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