Leaf curl and some tip burn?

  • Thread starter steelyeyes
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steelyeyes

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IMG_0741.JPG


Unknown strain looks sativa dominant, claimed to be purplexpurple of some kind. Grown from clones, rooted in straight hydroton, lights are LED and flourescent (full spectrum and a UVB bulb). Ph is 5.7. Running H&G Aquaflakes at original EC of 1.2 (840 ppm) according to their feeding schedule. Multi Zen (Zyme) at 3.8 ml/gal, root excellurator at recommended rate, drip clean every three days. Room temps are 70-75, RH 65%

Plants moved from aerocloner to hydtron 10 days ago and are on a 6 times a day 15 minute total fill and drain cycle.




IMG_0739.JPG


Same system as above. Plant grown from seed claimed to be blueberry but who knows? Looks like pretty much all indica of some type and is about the same age as the clones in the upper pic.

So what do I need to change?
 
Leaf curl and some tip burn
Leaf curl and some tip burn 2
E

edux10

537
18
do you have a lot of fresh air? idk about that black leaf stuff, but the other may be from lack of air movement and fresh air. Either that or you may need to bump up your nutes a little. flush really well, make a new batch of nutes and see where you are then
 
F

Fred

Premium Member
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I have no experience with this type set-up but I would check these things too.

What's the temp of the rez? What do the roots look like?

Good Luck!
 
F

Fred

Premium Member
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I am thinking it's too much too soon. Either nutes or additives. I'll be checking back to see how you work it out. Looks clean!
 
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steelyeyes

189
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Changed res. two days ago. It had been running a big high, like 840 ppm. Lowered it to 700. Roots on those two plants look good. They're out the bottom of the pots and clean, especially the indica. Res. temp is 70 degrees. Room air gets changed four times a day but I think I'll increase the frequency.
 
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steelyeyes

189
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It was overfeeding. They're just blowing up now and healthy as can be.
 
G

Gro

235
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glad your under control.for future ref,lower res temp to 62 and exchange air at least once every two hrs.this will improve your environment.
 
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