Thank you for the advice in advance I have 8 23 watt 1600 lum cfls 3 are 2700k 3 are 3500k 2 are 5000k Also have 3 7watt LEDs at 5000k 450 lum And a 12 watt led at 5000k 830lum 2x2x5 grow box 3 intake fans 2 80mm computer fans 1 120mm computer fans 3 outtake fans 2 80mm computer fans 1 100mm computer fan Soil is fox farms ocean fresh 40% perlite mix Fox farms grow big. Which I have not used yet Gognats to control pests. I eliminated gnat problem I had in the beginning In 1st week of veg I have 2 indica strains 2 sativa strains The plant I'm worried about is a sativa dom. I noticed a bit of the same discoloration in beginning but not like this. It just started recently on the new set of leaves. Sent from my iPhone using Grasscity Forum