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which ph test to trust?

ROOR

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whats more accurate....soil or run-off?
 

Mutt

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I'd trust the run-off. I've always trusted the run off more than a top sample. IMHO
 

KADE

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Yup, and get a ph pen off of ebay if u have to. $15.99
 

ROOR

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Dr.GreenThumb said:
I offered him mine and he told me NO !!! :eek:
LOL..yeah right....send that oakton right over....:D

how about tds/ec meters...are they mostly for hydro?
 

KADE

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Usually the only difference is u cannot replace the electrode, or it doesn't take a universal one.... I've never had a ph pen die on me except for the time i didn't keep it wet.... my bad... =-)
 

KADE

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Maybe not for you... but if you are not testing the waters ph b4 watering I'd bet you'll have problems.
 

Dr.GreenThumb

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seattle420 said:
PH testing is usually not needed in a soil grow.
I disagree completely and not sure where you got this info. If you dont monitor your PH level I dont care if its hydro or soil you are screwed.
 

KADE

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Anyone worth 1/2 their weight in salt knows that... I just wasn't gonna start an arguement =0
 

KADE

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Ph level in hydro is 1000% Critical.... soil buffers the ph somewhat... but typically buffers the ph to the wrong number you are looking for...
 

Dr.GreenThumb

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KADE said:
Ph level in hydro is 1000% Critical.... soil buffers the ph somewhat... but typically buffers the ph to the wrong number you are looking for...
When I checked my FoxFarm soil with distilled h2o, PH was just about 5.8 way to low.
 

Canso

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I can't even remember the last time i checked PH.
dirt has anough buffers, that inless your on well water, or you have very hard water, your water run off should be around PH 6.5
 

Dr.GreenThumb

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Canso said:
I can't even remember the last time i checked PH.
dirt has anough buffers, that inless your on well water, or you have very hard water, your water run off should be around PH 6.5
I can only speak for where I live, but the water must be better up there in BC then down here in the cities in Texas...
 

ROOR

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Dr.GreenThumb said:
When I checked my FoxFarm soil with distilled h2o, PH was just about 5.8 way to low.
Its suppopst to be 6.3...
 

KADE

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my water is about 7 or so from the tap.. I have a well. Same everyday for years. I'll know exactly once my new ph pen gets here.
 

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