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Old 04-06-2017, 06:10 PM #1
PriznnPlanet
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Plant stems staying purple

Anybody know what's keeping my 3 week old clones completely purple? New growth shows green then goes purple immediately. I started off with a lockout due to old meters. I got new bluelab meters for both PH and EC. Flushed with a low dosage .5 EC for a few days.

I have since switched my nutes to Canna at 1.1 just A&B with Cannazyme ph is 5.8-6.0. My tap comes out at .1 EC but have no idea what's in it. I did a 70/30 Tap/RO just in case something funky. My seedlings were also affected but seem to have pulled out they never went purple though.

T5 8 bulb light
Temps 77-81
RH45-60%
PH 5.8-6.1 Bluelab
EC 1.0-1.2 Bluelab
Passive intake that I haven't really been running to keep the humidity up
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Old 04-06-2017, 06:39 PM #2
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How are the roots? Healthy and White?
I sound like a broken record asking that but 99% of the time problems in coco can be traced to unhealthy roots...
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Old 04-06-2017, 07:37 PM #3
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Originally Posted by Asslover View Post
How are the roots? Healthy and White?
I sound like a broken record asking that but 99% of the time problems in coco can be traced to unhealthy roots...
Actually the roots look nice and white. I just xplanted from the small waxi cups to pots and they're already coming out the bottom. I definitely had a lock out early on. Figured by now they would be praying to lights like the seedlings are starting to do. Don't mind the coco on the roots was sitting on some loose flock before transplant.
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Old 04-06-2017, 08:29 PM #4
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Can you check the runnoff readings?
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Old 04-06-2017, 08:47 PM #5
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Can you check the runnoff readings?
I'm Flood and Drain EC is 1.1
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Old 04-07-2017, 08:41 PM #6
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Can you measure soil temperature?

A meat thermometer works fine. For the larger pots I would poke the thermometer in the drain holes too.

How often are you changing nutrient? What is reservoir temperature?
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Old 04-07-2017, 08:44 PM #7
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Ec sounds a little high for young uns
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Old 04-09-2017, 05:50 AM #8
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Originally Posted by Mikell View Post
Can you measure soil temperature?

A meat thermometer works fine. For the larger pots I would poke the thermometer in the drain holes too.

How often are you changing nutrient? What is reservoir temperature?
Temps are 72 in rez, the room is 76-78ish, just started this rez was top feeding until my roots were showing. I use is char coir and it says cal must be supplemented. I figured there's enough in my canna nutes?
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Old 04-14-2017, 08:51 AM #9
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From my understanding isn't red stems a potassium or cal mag issue?
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Old 04-15-2017, 05:47 AM #10
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What strain is it? Could be too wet or dry, but the roots look pretty good for either of those scenarios. What's ur air circulation like? U say passive intake? Then do u have an active exhaust?
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