Any one know what is going on here. I have 3 White Widow plants aprox 4 weeks old with this problem. I’ve got 3 Northern Lights and 3 Ayahuasca Purples that are doing fine. All are getting the same nutes and light.
Looks calcium deficient hard to tell with that light though can you get one in regular light
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What are your pH’s running in your water and your run off. If your pH is way off, the nutrients could be getting locked out. Need more information. Suggest you fill out a Support Ticket to get to the bottom of this in a timely manner. Jerry
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Answer these simple questions the best you can.
If you do not know, or do not use something; Just say so = NA
Strain; Type, Bag seed, or NA
Soil in pots, Hydroponic, or Coco?
System type?
PH of runoff or solution in reservoir?
What is strength of nutrient mix? EC, or TDS
Indoor or Outdoor
Light system, size?
Temps; Day, Night
Humidity; Day, Night
Ventilation system; Yes, No, Size
AC, Humidifier, De-humidifier,
Co2; Yes, No
Add anything else you feel would help us give you a most informed answer. Feel free to elaborate, but short, to the point questions and facts will help us help you
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Thank you all for your fast response, I will gather up some more info and post it ASAP. Thanks again !!
Definitely need a picture outside of the led in a natural light if possible
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If you could fill out the support ticket I posted above when your all set and ready, ill be happy to help you out
Ok , When I get home from work I will post all the info. Thanks Guys !
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My pleasure thats what im/we are here for
Strain; Type, Bag seed, or NA
White Widow Feminized Seeds (Canuk Seeds)
Northern Lights Feminized Seeds (Canuk Seeds)
Ayahuasca Purple Feminized Seeds (Barney’s Farm)
Soil in pots, Hydroponic, or Coco?
FoxFarm Happy Frog Potting Soil
System type?
2X4X5 Grow Tent
4X4X6.5 Grow Tent
PH of runoff or solution in reservoir?
N/A
What is strength of nutrient mix? EC, or TDS
Fox Farm Big Grow (5 ml per Gal)
Fox Farm Big Bloom (15 ml per Gal)
TDS are about 1700
Indoor or Outdoor
Indoor
Light system, size?
18 - 6 Photoperiod
2 Viparspectra Reflector-Series 300W LED Grow Lights in 2X4 Tent
2 - Advanced Platinum Series P600 LED Grow Lights in 4X4 Tent
Temps; Day, Night
Day 78-81 Night 70-75
Humidity; Day, Night
Day Averaging 50-60 Night Averaging 50
Ventilation system; Yes, No, Size
Yes
VenTech VT DF-6 DF6 Duct Fan, 240 CFM, 6" w/ VenTech VT SPD-CTRL VTSPEED Controller
AC, Humidifier, De-humidifier,
Humidifier MoistAir Model HD14070
Co2; Yes, No
No
First Grow.
Started from seed in paper towel, and then planted in Fox Farm Happy Frog soil in 4” Peat Pots.
They were in my 2X4 Tent for about 4 weeks w/2 Viparspectra Reflector-Series 300W LED Grow Lights kept at about 12”. Didn’t fertilize for the first 2.5 weeks. Started to notice the spots on the WW before first app of ferts. The plants started out slow, I think it was my very low humidity (20% and 30%) for the first 10 days or so till I set up my humidifier. Started to fert on week 2.5 with Fox Farm Grow Big (5ml per Gal) and Fox Farm Big Bloom (15 ml Per Gal). Every 3rd watering or so. Notice a little nute burn on the Northern Lights and the Ayahuasca Purple so I cut the dosage in half the next fertilizing. Also started using Cal-Mag Plus (5ml per Gal) every other watering. My Tap water is pretty high 8.0+ so I have been bringing it down to approximately 6.4 +/- after letting it sit for a day or so.
Transplanted into 3 Gallon Bay Hydro Fabric Pots on or about week 4. They have been in the 4X4 Tent w/ 2 - Advanced Platinum Series P600 LED Grow Lights at 22” for about 4 days now.
Hope this helps . Thanks
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Hi @Polishviking two that’s obvious ;
One, you are over feeding them at 1700 ppm and if not already done, you gone a have nutrients lock. At 4 weeks old it should not be over 800-900 ppm.
Two, your lights are too close they should not be closer than 2 feet for the viparspectra 300 and for the Advanced Platinum Series p600. Personnaly, I keep my LED light between 2.5 and 3 feet above canopy.
If I may give a suggestion, do a ppm reading with a TDS meter of the runoff (water until you have water come from the bottom of your pot, container), you propably have nutrients lock and your plants show sign of multiples deficiencies. A good flush (water until you have at least 25 % of runoff). I maybe wrong, that’s why @garrigan62 @Majiktoker @MacGyverStoner will be more accurate then me.
Hoping that’s helping you 
~Al 
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3 things, A, lights are to close, B when using fox farms you shouldnt be feeding within first few months in this soil, and C id honestly stop feeding for a little bit and get her on some cal mag I believe this is your issue
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Excellent advice, Thanks everyone.
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Agree @Majiktoker especially on the soil. I hardly ever give nutes until flowering unless they look weak.
I would also look at the pH of the water. With the high ppm and unknown pH, it is very easy to lock them up. I was thinking that it might not be a bad idea to give a quick flush and get back to just the soil nutes although it may take some of the soil nutes out. The high ppm in veg is likely to cause problems. What do you think?
I am finding out that pH is one of the most important things to growing. @MacGyverStoner was always hitting on that and now I am channeling him but I think it is the best thing you can do is watch the pH going in and the run off. I have found out that if my pH is good out, things go so much easier.
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I know this information is not going to help this grow, as those plants are long gone, but it’s still relevant.
What we are seeing here is a virus. I imagine the grow continued pretty normally, with the most of the infection on the major fan leaves (and continuing later to smaller leaves), and perhaps a slightly smaller yield.
While viruses are quite prevalent, it’s something that I almost never read about on forums. Cannabis forums usually have 3 answers: “lockout”, nutrient burn or deficiency. Not in this case.
These viruses are often mosaic viruses. (A classic is the tobacco mosaic virus.) In this case it is in the seeds. That is why the other plants are not affected.
Infected plants often do OK, but they don’t look pretty. It can progress much worse than what is seen in the images. Other plats, like peppers, which live longer, may die later from disease cause by the virus weakening the plant.
The common wisdom is to throw them out before they infect other plants. This is probably a good idea, especially if you are growing constantly or are producing seeds. If it is just the one grow, it doesn’t matter too much, as it is not likely that infecting the other plants is going to matter before the grow is over.