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Very low yields dry. *sad*

🌱 Do you have any pictures of your plants in the setup? Sometimes we might be able to catch something you missed that is sabotaging you. Were your plants healthy and just didn't yield well, or were they unhealthy? If they were healthy, this page has like a worksheet to try to figure out what was the limiting factor that prevented you from getting the yields you were looking for. 🌱
 
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Here ya go, still running both lights over four Northern Lights in 3rd week of Flowering. I don't have much hope for these ladies either as I've been chasing what I now believe was PH issues during Veg but thought were deficiency issues at the time.
 

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🌱 They actually don't look too bad! Can we see a picture in natural light?

How close are your LEDs? Are you noticing the yellowing most on the parts of the plant that are close to the light? It might be possible they're experiencing light burn, as those LEDs look very powerful. LEDs can burn plants even if it's cool, because they have powerful lenses focusing the light down. Is it possible to move them up a few inches to see if that helps stop the spreading of symptoms? 🌱
 
I would add that 48" is not enough height to grow much of a plant when you consider the distance for the light, pot, and hanging mechanism.
 
Adept1 said:
I purchased the 600w after my very first attempt was also low yielding and thought "more light can only help, right?" So, to burn 800w of LED light on a plant and yield only 6grams, obviously light wasn't my issue!

After my current tent is empty I'm going to start another grow with a single plant under the 400w with detailed grow log, I've got everything I need except the skill & experience required.

Thanks guys!
Click to expand...

Actually I might suspect too much light was the problem in a tent that size.
 
Took some photos but can't unload as they are too large, will resize & upload shortly. I don't think the photos look nearly as bad as in person.
 
my first one i got 15 oz the next one will be almost 1.5lb it can happen research and money don't go half ass all in or nothing! i don't add co2 or anything just 600watt lights veg and flower and some increase yield tricks and bam it can happen fix what you did wrong and keep trying you will get it..
 
I chased my tail for 2 years and then followed the coco with GH nutrients tutorial on this site. It works.
my 2c
 
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Plant 1 Photos

Example of my leaf issues...
 

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Plant 2 examples...
 

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To me it just looks like the leaves are purpleing. If that's the case it's most likely a low temp. If it is purpleing it's nothing to worry about. It also could be from high Uv light that will bring out purpleing as well.
 
Also unless u just turned ur light on and she's just wakeing up then she's getting light stressed the curling down of the tips. It's not n tox (no dark green leaves) also not wind burn because leaf sides arnt curling down like an upside down counue. So it's getting light stressed and if ur light have a Uv spectrum that's what's purpleing the leaves if temp is fine. And if that's the case either move ur light further away or simply add co2. The purpleing is fine there is debate on green bud is more potent but I grew a candy cane that I made purple right up and she kicked ass.
 
Those photos were taken directly after Lights turned on, they had been resting 12hrs of darkness for the record.

unforunately the lamps areas high as they will go currently, need a bit of a redesign on next grow to clear up some wasted height.

the purple doesn't concern me as much as the discoloration of light grew and brown spots.
 
🌱 I noticed your symptoms seem worst near the top and around the edges of the plants where it's being exposed to light. Could it possibly be heat/light burn from the LEDs being too close? It looks a lot like this example from an HPS being too close to the plants: http://www.growweedeasy.com/sites/growweedeasy.com/files/heat-stress-spots-leaves.jpg 🌱

Edit: Ooops, I see people already pointed that out. I just wanted to add that your buds themselves appear to be shaping up very nicely!
 
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🌱 Maybe it's a crazy idea, but could you possible turn the plants on their side somehow, since they seem less wide than tall? Another crazy idea is to supercrop them to bend all the stems over so they're more flat. That would also help all the inner buds fatten more since they will get light. The problem is it's reeeeally easy to break a stem when it's older and already hardened. Really easy. If you did try to bend them, you might need several minutes of gently working each stem back and forth at the desired bend point, just to make sure they're softened enough they won't break if you bend them. If you ever do break a stem, tape it up immediately with electrical tape or duct tape, and make sure the two wounded parts are touching each other tightly. If you do that, the stem will survive. 🌱
 
Hey u were starting yours the same time i did .. look through my journal i wrote everything i did and detailed it all out but no one really ever responded so i didnt bother to it with my second one =(
 
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