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 Lofetospoon9
Stranger
Registered: 08/12/15
Posts: 21
Last seen: 7 years, 8 months
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 Unexplained nute lockout? 
#824016 - 02/22/17 07:38 PM (9 years, 2 months ago) |
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Indoor closet grow, trying to grow out some mothers. temp average ~80, humidity average 50's. Some days both temp and humidity exceed acceptable range but not often.
About 80% FFOF, 20% chunky perlite.
20 hours of light, 2 400W MH.
I water with ph'd tap, about 6.5 ph, 300 ppm.
Runoff ph stay's around 6.5. And though they've never once been fed, the worse looking ones are spitting out >1300ppm.
They're about 2.5 month's old. I figure they should he hungry by now but it looks like lockout.
Any suggestions?
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 phychotron
Medicated
Registered: 02/17/11
Posts: 1,995
Loc: Earth (mostly) 
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Re: Unexplained nute lockout? [Re: Lofetospoon9] 1
#824017 - 02/22/17 08:37 PM (9 years, 2 months ago) |
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flush if your in doubt. Kinda look like they're nitrogen deficient. The one's closest to the light might be too warm and messing up the nutrient uptake. Do you have any oscillating fans on them so they can cool off and breath? 50% can be low humidity if the temperature starts to rise.
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Any help given is for educational purposes only.
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Lofetospoon9
Stranger
Registered: 08/12/15
Posts: 21
Last seen: 7 years, 8 months
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Re: Unexplained nute lockout? [Re: phychotron]
#824018 - 02/22/17 08:54 PM (9 years, 2 months ago) |
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I have been afraid of heat as it is normally my limiting factor, but am unaware of the effects of this on nute uptake. I have a small fan inside the room that doesn't ocsillate. Besides that I have an oscillating fan on the outside of the closet that point in during daylight hours. Mostly it is hot and humid as I live closer to the equater.
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Theman
Stranger
Registered: 10/06/16
Posts: 344
Last seen: 5 years, 10 months
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Re: Unexplained nute lockout? [Re: Lofetospoon9] 1
#824076 - 02/24/17 08:47 AM (9 years, 2 months ago) |
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What makes u think n deficient? Usually yhat starts at the bottom
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phychotron
Medicated
Registered: 02/17/11
Posts: 1,995
Loc: Earth (mostly)
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Re: Unexplained nute lockout? [Re: Theman]
#824080 - 02/24/17 01:12 PM (9 years, 2 months ago) |
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Theman said:
What makes u think n deficient? Usually yhat starts at the bottom
It has that light color all around.
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Any help given is for educational purposes only.
Edited by phychotron (02/24/17 01:15 PM)
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phychotron
Medicated
Registered: 02/17/11
Posts: 1,995
Loc: Earth (mostly)
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Re: Unexplained nute lockout? [Re: phychotron]
#824090 - 02/24/17 03:07 PM (9 years, 2 months ago) |
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I think its heat/humidity related. When its hot it needs higher humidity, upwards of the 70% range when its 85. Gotta watch out for PM though. Its a problem I'm currently battling. Air circulation and ventilation is key. My lights were too close too, cooking the plants a little bit.
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Any help given is for educational purposes only.
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ice
Stranger
Registered: 02/24/17
Posts: 39
Last seen: 8 years, 9 months
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Re: Unexplained nute lockout? [Re: phychotron]
#824412 - 03/05/17 03:51 PM (9 years, 2 months ago) |
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flush your soil really well and start again.
when it comes to nutrients, lockout, deficiency, toxicity, etc... theres so many thing that play a factor, we could discuss it for days.
I highly recommend reading
marijuana horticulture: the indoor/outdoor growers bible
by: jorge cervantes
there is an excellent section on nutrients.
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Theman
Stranger
Registered: 10/06/16
Posts: 344
Last seen: 5 years, 10 months
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Re: Unexplained nute lockout? [Re: phychotron]
#824436 - 03/06/17 01:29 AM (9 years, 2 months ago) |
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phychotron said:
Theman said:
What makes u think n deficient? Usually yhat starts at the bottom
It has that light color all around.
Facepalm looks to me it isnt yellowest near the bottom of those plants and hense not n def. But if u see yellowest near bottom i guess u could be right. Doubt it tho. Pretty clearly micro issue, magnesium most likely.
You should look up how nutrient uptake works lockout and WHY deficiencies appear they way they do. So dont think immediately N when u see any yellowing.
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phychotron
Medicated
Registered: 02/17/11
Posts: 1,995
Loc: Earth (mostly)
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Re: Unexplained nute lockout? [Re: Theman]
#824442 - 03/06/17 08:52 AM (9 years, 2 months ago) |
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Right, that's why I said "kinda looks" and then went into how I thought it was heat related 
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Any help given is for educational purposes only.
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