EC/PPM Pens that are good these days
I’m looking for a good EC and ph pen. I’m seeing a lot of pens for sale now with a lot of negative reviews. Any help in finding quality test pens is greatly appreciated. Thanks in advance guys.
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I don't have a clue how many pens I have bought over the years...cheap ones expensive ones...Get one you can replace the probe on...My best advise is keep some 7.0 and 4.0 ph solution that way whichever one you decide on you can test it's accuracy...
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I have a couple of the cheap PPM pens I use, neither can be calibrated so I keep 2 base lines written down, one is my well water which fluctuates between 50-100 depending on the time of the year and I know how much my base grow mix is so I kind of use that as the scale on when to toss the meters. About a month ago one of the meters had over a 4000ppm reading so its history, and it wasnt gradual either one day 1000ppm's the next 4000ppms.
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as far as pH is concerned i use General Hydroponics pH drops. They NEVER go out of calibration.
ppm meter i would go with a Blue Lab Truncheon for about $125
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I have used the same ppm/ec meter since 2010...ph meter is a different story...
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Blue lab is very reliable .
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i use Hanna PH pin ... great move on my part !!
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