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OfflineTomCollins


Registered: 10/06/09
Posts: 2,943
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I bought an EC METER!
    #328486 - 12/08/09 02:49 PM (6 years, 11 months ago)

God these things cost a pretty penny! I paid more for this little plastic box than my 400 watt HPS!



Now how do I use it?

I mean like, I know how to take a measurement, how to calibrate it and all that stuff. However, what is a good EC and what is a bad EC? How do I know if the nutrient solution is a little short/over on a specific nutrient?


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andyistic said:
Ok so let me bring you idiots up to speed.
The admins are tired of this shitfest being made the joke of the weed community on the Internet.


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InvisibleFurrowedBrowM
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Re: I bought an EC METER! [Re: TomCollins]
    #328504 - 12/08/09 03:33 PM (6 years, 11 months ago)

damn, i got my pen meter for like $20-30 bucks and it's always worked perfectly for over a year.  A good place to start looking for your answers would be reading the manual that came with it.  The meter will tell you what the ec is, you can convert that to TDS if need be.  again, i think your manual would have that as well.


--------------------





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InvisibleDr. SiekadellykM
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Re: I bought an EC METER! [Re: FurrowedBrow]
    #328505 - 12/08/09 03:38 PM (6 years, 11 months ago)

Quote:

A good place to start looking for your answers would be reading the manual that came with it. 




Quote:

i got my pen meter for like $20-30 bucks and it's always worked perfectly for over a ye



woah, really what kind is it and where did you get it from?


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OfflineTomCollins


Registered: 10/06/09
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Re: I bought an EC METER! [Re: Dr. Siekadellyk]
    #328511 - 12/08/09 03:56 PM (6 years, 11 months ago)

They had cheaper ones but I had my eyes set on this. Probably a bit of a stupid buy. They certainly had nothing as cheap as 20-30€ though. Fuck Europe.

No, I read through the manual that the thing came with before I posted. I'm not that silly. :tongue: It told me how to assemble, take a measurement, calibrate it, clean it, and replace the battery. It also came with some warentee information. :undecided:

http://www.milwaukeemeters.com.au/SMART%20PORTABLE%20METERS/sm302.htm you can check out a PDF of the manual yourself if you like.

I searched on google for a little while but didn't really find anything that gave me numbers per say. 
Just stuff that told me what it's used for, how it works and stuff like that. I imagine it's because you get different readings from different hydroponic nutrients. :shrug:

--EDIT--

I noticed it does give me the conversion factor (0.5) for converting to the SM401 & SM402 which are both TDS meters. I'm guessing that means that to convert EC to TDS I have multiply my results by .5

I don't know if that helps you guys at all at answering my question.

What's a good PPM then? :tongue: How can you tell if your solution is deficient/heavy in a nutrient by using the reading? I'm guessing you can't really - it's just to measure potency yeah?


Edited by TomCollins (12/08/09 04:11 PM)


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InvisibleMagashM
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Re: I bought an EC METER! [Re: TomCollins]
    #328529 - 12/08/09 05:16 PM (6 years, 11 months ago)

Next time.


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OfflineTomCollins


Registered: 10/06/09
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Re: I bought an EC METER! [Re: Magash]
    #328535 - 12/08/09 05:41 PM (6 years, 11 months ago)

Anyone, what's a good ppm? Or EC?


--------------------
andyistic said:
Ok so let me bring you idiots up to speed.
The admins are tired of this shitfest being made the joke of the weed community on the Internet.


Edited by TomCollins (12/08/09 05:52 PM)


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Offline114425
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Re: I bought an EC METER! [Re: TomCollins]
    #328585 - 12/08/09 08:28 PM (6 years, 11 months ago)

I believe plants thrive around 1400ppm


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Re: I bought an EC METER! [Re: TomCollins]
    #328586 - 12/08/09 08:32 PM (6 years, 11 months ago)

The PPM's you use will be dependent upon the nutrients you chose to use.  I use FloraNova Grow and Bloom and they have the recommended dosages on the bottle.  Typically during the seedling stage you wont use nutes then a week or so in you will add nutes to your feedings and gradually increase it to full strength.  I tried to peak out the PPM's in flower, but I AM novice at all this with only 2 grows under my belt.  Magash or Dr. S would be better equipped to better address that issue.  But ultimately it depends on your nutrients.  I would think that all the nutrients (good ones) would include some kind of recommendation about the dosage/conversion factors.  I went up to 1300 ppm on my grows if that means anything to you.


--------------------





Multidisciplinary Association for Psychedelic Studies - Become a member!
The Growery's Herb Museum (post #24)
I prefer dangerous freedom to peaceful slavery.
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Re: I bought an EC METER! [Re: Dr. Siekadellyk]
    #328587 - 12/08/09 08:34 PM (6 years, 11 months ago)

Quote:

Dr. Siekadellyk said:
Quote:

A good place to start looking for your answers would be reading the manual that came with it. 




Quote:

i got my pen meter for like $20-30 bucks and it's always worked perfectly for over a ye



woah, really what kind is it and where did you get it from?




I got it from my local hydro store.  It's a tds meter, not EC.  if that matters to ya.  I know i've posted a picture of it with info on where to get it online before.  maybe somewhere in the 20 pages of my two logs.  Actually, here's a link!

http://www.google.com/products/catalog?q=TDS+meter&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&cid=18189999032297952254&ei=mP4eS47dFpDKsAPbxtyGCg&sa=X&oi=product_catalog_result&ct=result&resnum=1&ved=0CBUQ8wIwAA#ps-sellers


--------------------





Multidisciplinary Association for Psychedelic Studies - Become a member!
The Growery's Herb Museum (post #24)
I prefer dangerous freedom to peaceful slavery.
~ Thomas Jefferson ~


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InvisibleDr. SiekadellykM
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Re: I bought an EC METER! [Re: FurrowedBrow]
    #328635 - 12/08/09 11:10 PM (6 years, 11 months ago)

PPM is a system to measure the strength of your nutrients....bigger more aggressive flowering plants will need a stronger nutrient concentration to thrive to their full potential more than a small vegging plant would need.......people run anywhere up to 2000 PPMs but just at least try to keep it in 500-1500....and of course get them low for flushing .........good PPM levels depend on different circumstances, stages of growth etc....  start out low and increase the strength  relevant to your nutrient chart/schedule throught the plants life cycle.... remember its at least better if it goes low than too high so definately make sure it doesnt get to strong or your plants will get damged.........topping off is a must to control these levels.........if its too high then dilute the slution with water, if its too low then add more nutes ....


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Re: I bought an EC METER! [Re: Magash]
    #328675 - 12/09/09 12:03 AM (6 years, 11 months ago)

Why do you recommend that meter over others??


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Dude she isn't as young as she use to be.

-niteowl


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InvisibleMagashM
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Re: I bought an EC METER! [Re: Hawksresurrection]
    #328770 - 12/09/09 03:41 AM (6 years, 11 months ago)

Can be dropped and won't get fucked up. Never needs to be calibrated.

http://www.getbluelab.com/site/bluelab/files/websitevideos/EGL_T_op_maint_Comp1.wmv


--------------------
All creatures tremble when faced with violence. All creatures fear death, all love life. If we can only see ourselves in others, then how could we possibly hurt another creature?


:growingweed: Join us at the Growery! :growingweed:


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OfflineTomCollins


Registered: 10/06/09
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Re: I bought an EC METER! [Re: Magash]
    #328832 - 12/09/09 01:44 PM (6 years, 11 months ago)

Quote:

Magash said:
Can be dropped and won't get fucked up. Never needs to be calibrated.

http://www.getbluelab.com/site/bluelab/files/websitevideos/EGL_T_op_maint_Comp1.wmv




See Magash, this is why we need a reviews forum. :wink:


--------------------
andyistic said:
Ok so let me bring you idiots up to speed.
The admins are tired of this shitfest being made the joke of the weed community on the Internet.


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InvisibleDr. SiekadellykM
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Re: I bought an EC METER! [Re: TomCollins]
    #328835 - 12/09/09 01:59 PM (6 years, 11 months ago)

Quote:

Spency said:
Quote:

Magash said:
Can be dropped and won't get fucked up. Never needs to be calibrated.

http://www.getbluelab.com/site/bluelab/files/websitevideos/EGL_T_op_maint_Comp1.wmv




See Magash, this is why we need a reviews forum. :wink:


:thumbup:


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InvisibleMagashM
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Re: I bought an EC METER! [Re: TomCollins]
    #328854 - 12/09/09 03:16 PM (6 years, 11 months ago)

Hey I put in the request for a review forum. Now lets see what happens.


--------------------
All creatures tremble when faced with violence. All creatures fear death, all love life. If we can only see ourselves in others, then how could we possibly hurt another creature?


:growingweed: Join us at the Growery! :growingweed:


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InvisibleFurrowedBrowM
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Re: I bought an EC METER! [Re: Magash]
    #328859 - 12/09/09 03:19 PM (6 years, 11 months ago)

Ahhh, i just noticed I didn't post anything in that thread.  I'll give it a bumpski to remind geo.  he said he'd take action in early december but he's been pretty busy from what i gather.


--------------------





Multidisciplinary Association for Psychedelic Studies - Become a member!
The Growery's Herb Museum (post #24)
I prefer dangerous freedom to peaceful slavery.
~ Thomas Jefferson ~


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