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Capn-Crunch

Capn-Crunch

Well-Known Member
This coloration has been showing up on a few leaves all over a couple bubba kush plants.
None of the other plants are showing this coloration.
Plants are 6 weeks from flip and otherwise healthy.
Feeding 750 ppm
Under 400hps
Promix with composted cow manure
Medium ph is 6.7
Water ph is 6.2
 

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Logan Burke

Logan Burke

Well-Known Member
My god beachwalker that is some incredible looking bud you've grown! Be careful sharing pics like that, you'll end up stealing someone's thread ;) Lol nah jk with ya man. Anyhow, I really wouldn't worry yourself too much Cap'n Crunch, in all likelihood it's just genetics. I've got a Northern Lights Blue auto that's turning purple all over because temps got down to 60F and it is acclimated to about 65-68F at lights off. As long as your girls are healthy and have not slowed down in bud production, I'd say you're in the clear!
 
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Beachwalker

Well-Known Member
Logan Burke said:
My god beachwalker that is some incredible looking bud you've grown! Be careful sharing pics like that, you'll end up stealing someone's thread ;) Lol nah jk with ya man. Anyhow, I really wouldn't worry yourself too much Cap'n Crunch, in all likelihood it's just genetics. I've got a Northern Lights Blue auto that's turning purple all over because temps got down to 60F and it is acclimated to about 65-68F at lights off. As long as your girls are healthy and have not slowed down in bud production, I'd say you're in the clear!
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Thanks, I was surprised myself!!! The first couple runs were in the warm-weather, but this run these two from the same green mother turned dark purple / black in 62-64 temps. I've had a few OG Kush variations turn purplish in the winter too, but nothing like this one! A few of the lower buds had that gold color with the dark purple, but the top buds were mainly black

Op, I can't tell you exactly what's up with your plant only that those same temps did that to my otherwise green bud, so indeed consider it might be genetics that responded to the cool temperatures but keep an eye on it to rule-out you don't have something else going on as well? Good luck!
 
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Renfro

Renfro

Well-Known Member
Early stage phosphorous deficiency. It can be caused by cool root temps, sometimes a low pH. Could be just the low feed PPM.
 
Capn-Crunch

Capn-Crunch

Well-Known Member
Renfro said:
Early stage phosphorous deficiency. It can be caused by cool root temps, sometimes a low pH. Could be just the low feed PPM.
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Daytime temps are 77 and night time are 62 to 64 and 50 rh
Other than this color on some leaves they look great
Feeding 750 ppm
Under 400hps
Promix with composted cow manure
Medium ph is 6.7
Water ph is 6.2

Forgot to say on the previous 2 feedings I added 1gr MKP per gallon of water.
 
Renfro

Renfro

Well-Known Member
Adding the MPK probably pushed the PPM up about 90 PPM ish. Even at 840 the PPM seems low.
 
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CannaCountry

Well-Known Member
I would have to agree with most here; your temps have probably had a hand in the leaf colors. As to your feed and ppm's; they seem pretty spot on to me. Smooth sailing my friend; good luck!

Oh and those purple / black flowers posted by Beachwalker; beautiful!
 
Renfro

Renfro

Well-Known Member
Capn-Crunch said:
Jacks 321 @ 750ppm not counting the MKP.
Using the Jacks at that strength according to other Jacks users and Greengenes Garden video on the subject of Jacks.

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I am running jacks in one of my rooms, I am feeding at 1250 PPM and they love it. I do have large plants though.
 
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CannaCountry

Well-Known Member
I run it as well, although I don't monitor my ppm, I simply watch the plants. In my case though, I have learned, combined with my tap, my girls can't take more than the literal 3g, 2g, 1g. I can't manage to get that last little bit of 'full strength' as Jacks suggests, never the less, my girls love this stuff and so do I.
 
Capn-Crunch

Capn-Crunch

Well-Known Member
Renfro said:
I am running jacks in one of my rooms, I am feeding at 1250 PPM and they love it. I do have large plants though.
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CannaCountry said:
I run it as well, although I don't monitor my ppm, I simply watch the plants. In my case though, I have learned, combined with my tap, my girls can't take more than the literal 3g, 2g, 1g. I can't manage to get that last little bit of 'full strength' as Jacks suggests, never the less, my girls love this stuff and so do I.
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I don't count the ppm of my tap water which hovers at about 200ppm. and 7.4 ph.
I don't weigh it each time but use these measures and know I am a touch low on the calnit and a little over the mag sulfate.
5/8 tsp about 3.6g
1/2 tsp about 2.2g
1/4 tsp about 1.5g
When I check ppm I get 750 to 850 without counting my tap water ppm. I got an email from Jacks and they state that full strength
should be about 995ppm. Not sure why the discrepancies?

My plants are about 2.5 to 3 feet high at the moment which I intentionally try to do by keeping them in 2 and 3 gallon fabric pots because of space restraints at the moment.

I have 12 plants flowering in a room
6 making seed in 1 tent
20 clones about a foot high in another tent
 
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Kingrow1

Kingrow1

Well-Known Member
Capn-Crunch said:
This coloration has been showing up on a few leaves all over a couple bubba kush plants.
None of the other plants are showing this coloration.
Plants are 6 weeks from flip and otherwise healthy.
Feeding 750 ppm
Under 400hps
Promix with composted cow manure
Medium ph is 6.7
Water ph is 6.2
Click to expand...
Rather than think heat or ferts think moisture stress, water more often stop lerting it dry so much.

:-)
 
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