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PH
TessaMariastarted grow question 4 years ago
The water going in was 6.5 and the runoff was 7.5
What pH should I water with next?
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Harrythehatanswered grow question 4 years ago
Don't stress over it too much cannabis can take P.H. as low as 4 - 9 as high before damage occurs
never had a problem running at 7 myself
if your that worried feed in at 6.1 the sort of recommended level see what your run of is then
you could fuss and fart about trying to get it right but you will always find a difference with the run off because of the growth mediums
Darkwarsongsanswered grow question 4 years ago
"Don't stress over it too much cannabis can take P.H. as low as 4 - 9 as high before damage occurs never had a problem running at 7 myself".. Nothing I have ever read from other grower or numerous grow diaries says that running a ph of between 4-9 is okay PLEASE DO Not listen to this person.
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Darkwarsongsanswered grow question 4 years ago
I'm not sure about ph with dirt... But it looks like you got a bit of nitrogen toxicity. Those leaves look really dark and I see the tips look slightly "clawed"....
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Tom_Jayanswered grow question 4 years ago
start 5,5 and raised to 6,3/6,5 point by point
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Watersanswered grow question 4 years ago
Maybe some salt buildup in your grow medium. Try doing a flush to get rid of excess salts.
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HighRoller909answered grow question 4 years ago
should be the same as you've been using.runoff ph means nothing unless you have a problem.I wouldn't care about it as plants look healthy.keep feeding same and runoff ph will drop in a healthy way as time passes,if that's what you want. no worries
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OimRauschanswered grow question 4 years ago
Hi Tessa,
is your measured ph 6,5 with fertilizers or pure water? What substrate do you use and what fertilizers in general?
Cheerz, Oimrausch
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