@Jitters Looks like a couple of things going on. Stop watering until completely dried out and stop giving nutrients until they reach their 5th or 6th true sets of leaves. I think you should fill out an updated Support Ticket as well.
COPY/PASTE: This "Support Ticket" into your forum post.
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, ILGM... name of strain:
Age from Sprout:
Soil in pots, Hydroponic, or Coco / Brand and type of Soil & Size of Pots:
How often do you water and how do you determine when to do so?
PH of water and runoff or solution in reservoir:
What is strength of nutrient mix? EC, or TDS:
Indoor or Outdoor:
Light system, size and height from plants:
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
Also here is a Deficiencies & Excesses Chart to help you identify what is wrong with your plants