Help! Leaves yellowing, first week of flower - Pics

RedEyeJedi01

New Member
I have two eight week old plants that I just moved from a 200w LED veg tent to my 600w LED flower tent, one is Cookies and the other, the one having the problems, is Lucy. They are now one week into flower and I believe the issue did start after moving to flower tent, but the Cookies is not having any problems and is very happy. Can anyone diagnose the issue by looking at the leaves? I'm not very good at identifying the problems from the charts. I have pictures attached and will fill out the questions below:



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How long has this problem been going on? About a week
What STRAIN are you growing? Lucy
What was the establishing technique? (seed or clone?) Seed
What is the age of your plants? 8-9 weeks, 1 week into flower
How long have they been in the soil mixture they are in now? Since seed, 5 gal aeropots
Were they in the same mixture when they were seedlings/smaller plant? If not, what mixture were they in before? Same mixture
How Tall are the plants? 2ft 8in
What PHASE (seedling, vegetative or flower) are the plants in? Flower
What Technique are you using? (SOG, SCROG etc) Topped during veg, four colas
What size pots are you using? (Include how many subjects to pot) 5gal
What substrate/medium are you using? What brand of soil mixture are you using?(percentage of perlite, vermiculite...etc?) FoxFarm OceanForest
What brand Nutrient's are you using? Using Doggett & Simpson 3-stage fert and SNS 604B Flower Growth Supp
How much of each nutrient are you using with how much water? *Knowing the brand is very helpful* SNS 604B with every water, fert every 1 1/2 weeks - 2 weeks
How often are you feeding? fert every 1 1/2 weeks - 2 weeks
If flowering, when did you switch over to using Bloom nutrients? After they went in flower tent
What is the TDS/EC/PPM of your nutrients used? Unknown
What is the pH of the "RUN-OFF"? No run-off to test at the moment
How often are you testing pH/ppm/EC/TDS? Test soil pH often
What method of pH test was administered? Using Strips? pH pen? pH and moisture probe
How often are you watering? 2-3 days
When was your last feeding and how often are you feeding? Last feeding was on schedule, about 2-3 days after move to flower
What size bulb are you using? LEDs, 2 200w and 2 100w in flower tent, 2 100w in veg tent
How old is your bulbs? Couple months
What is the distance to the canopy? 15inches
What is your RH Factor? (Relative Humidity) currently 61.2, fluctuates between 40-60
What is the canopy temperature? 78.8
What is the Day/Night Temp? (Include fluctuation range) 78-80
What is the current Air Flow? (cfm etc.) 120cfm exhaust fan, mini fan inside of tent for additional air ciruclation
Tell us about your ventilation, intake exhaust and when its running and not running ? exhaust fan only, controlled by a digital environmental controller
Is the fan blowing directly at plants? Yes
Is the grow substrate constantly wet or moist? Stays wet until dry
Is your water HARD or SOFT? Probably hard
What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water? Filtered tap
If using tap water, what is the ppm/EC/TDS of the water right out of the tap?(Only if you have a tds pen) Unknown
If using RO,Distilled,mineral water, what is the ppm/EC/TDS without any additives?(Only if you have a tds pen)
Are you using water from a water softener? No
Has plant been recently pruned, cloned or pinched? Took off some bottom-dwelling fan leaves
Have any pest chemicals been used? If so what and when? No
Are plant's infected with pest's? No
 
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