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One plant out of 8 not looking right

Hi guys,

so I've got a batch of Trilogy OG just over 2 weeks into flower. All the plants are from the same mother and all being fed the same under the same conditions. However one plant is showing signs of something I just can't seem to figure it out. Im feeding a modified Lucas formula of 4 micro 10 bloom. Im also feeding a couple additives in the GH line. Im multi feeding 10 seconds per hour during lights on @ about 590-640ppm. All plants are in 5 gallon containers of coco. All the other plants are looking stellar. I might say some of the best stuff I've grown except the one. The symptoms of the plant are red/purple leaf stems and veins, leaf fading as though I were flushing them, plants look more drooped down than all others. I will attach some photos and hope someone can point me in the right direction. Thanks guys


How long has this problem been going on? about 1.5 weeks
Are you growing in a PVC grow tent? (example: Hydrohut or any other non brand tents) yes
What system are you running? (DWC? Ebb flow? Aero? Water Farm? Flood Tables? and so on...) Coco DTW
What STRAIN are you growing? Trilogy OG
What was the establishing technique? (Were the seed or clone?) Clone
What is the age of your plants? 12 weeks
How long have they been in there mixture they are in now?(coco,soiless etc..) always in coco
How tall are the plants?3.5-4 feet
What PHASE are the plants in? (seedling, vegetative or flower) are the plants in? Flower
What Technique are you using? topping and LST in veg
What substrate/medium are you using?(Hydroton, RockWool etc.) coco
What is the Water temperature? 68-74
What color are your roots? White? Brown? Are your roots slimy? bright white right before flower. haven't checked them since
What Nutrient's are you using?(If growing soiless) GH Line
How much of each nutrient are you using with how much water? 4ml micro, 10ml bloom, .5ml floralicious plus, 1.5ml koolbloom
Knowing the brand is very helpful*General Hydroponics
How often are you feeding? (If using soiless) once for 30 sec at lights on, then 10 seconds per hour for 7 hrs
How often are you giving nutrients? (If using soiless) everyday
If flowering, when did you switch over to using Bloom nutrients? 3 days ago
What order are you mixing your nutrients? (example: veg nutes 1st, bloom 2nd ect) epsom salt, micro, bloom, additives
What is the TDS/EC/PPM you are using 590-640 ppm
What is the pH of the "Tank"?5.8-5.9
How often are you testing your pH/PPM/EC/TDS?once a week
Are you sure your calibration is correct on your equipment? yes
When was your last watering? tonight
What is your water temps? 68-74
When was your last feeding change? tonight (ie. grow-bloom-micro-additional)
How often do you clean your system: example: Flush out water replace with clean water and nutrients? once a week
What size bulb are you using? 1000w DE
How old is the bulbs you are using? brand new
What is the distance to the canopy? 24 inches
What is your RH Factor(Relative Humidity)? 45 day 37 night
What is the canopy temperature? 75-77
What is the Day/Night Temp? (Include flucutaion range) day 75-77 night 70-72
What is the current Air Flow? (cfm etc.) fans only no exhaust or intake
Tell us about your ventilation, intake exhaust and when its running and not running ?
Is the fan blowing directly at plants? NO
Is your water HARD or SOFT? 150ppm
What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water? well
If using tap water, what is the ppm/EC/TDS of the water right out of the tap? 150ppm
If using RO,Distilled,mineral water, what is the ppm/EC/TDS without any additives?
Are you using water from a water softener?NO
Has plant been recently pruned, cloned off of or pinched? Defoliated day of flip
Have any pest chemicals been used? If so, What and When? YES SNS 209
Are plant's infected with pest's NO
 

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AgentPothead

Just this guy, ya know?
Man I completely remember seeing that purpling on the second picture before and I am either too sober or too high to remember what the condition was. Sorry for being useless.
 
Man this is getting worse by the day. I tried a nice flush then a balanced feed the day after. Still no improvement. I know people say you can’t overwater one coco but could this be from over watering? The runoff EC is coming out ok so I don’t think their getting burned. Leaf stems are becoming hard to pinch off and red/purple. The leaf margins are starting to form rusty blotches along with overall leaf fade with purple areas of the leaf. The leaves are praying straight up to the light
 

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