Light green or little yellow leave color in flower

Type: Super skunk from seeds.
Nutrient: 1.5EC
PH: 6.2

My leaves for some plants have the light green or little yellow in color. What’s wrong?

It’s normal in flower as the plant transition from nitrogen to phosphorus

First I got a say you sure have some nice looking ladies there Randy.
What week r they n?
Cause to me they look too be 6 1/2 -7 weeks
Along. If they are than that normal for plants to yellow nere harvest.


it’s about 3 1/2 weeks in flower and That’s why I was little concerns. I had a few growth under my belt but this is the first I see this.

Dam, they are well grown plants, item thinking what there going to look like in another 5weeks …lol
Have you checked your PH?
How much water do you give them cause that can cause yellowing.
A pic would would be helpful…of the yellowing that is.
Also fill out a support ticket…here is a copy.

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 


Super Skunk (Fem seed)
System type?
PH about 6.0-6.2 > I will check the run off
EC 1.5
4(1000watts) Gavita
80F light on and 67F light off
40% day and 37%night. Humidifier broken and working on fix
2(10’) outlet
Water cooler, Humidifier (avail as needed), de-humidifier (avail as needed) > all avail to run as need pending on humidity level
CO2> No


PH run off 5.9-6.0

I added calmag but no improvement but didn’t get worst :smile:

I also read under guide that I shouldn’t use calmag during flower?

Well that all depends on what’s going. I don’t use cal/mag unless I have a cal/mag deficiency. But I would if I were using distilled water
It is always best to use R/O water and add cal/mag yourself so you can have fresh clean water and control your ppms.


Molassess can be an alternative for cal-mag ?

I really can use a little help here. I know all mine from seeds so I don’t expect every plant react the same but this is what my concerns and I am at 4.5 weeks:

  1. Lower leaves start getting yellow and fall off only on some plants. (I think this is normal?)
  2. Upper leave of some plant little pale green and purple.

My run off PH at 6.2 and EC at 5.1 This is what I don’t get is that my final EC after adding big bud and hammerhead at 3.1
I am thinking of flushing but none of the plants show any sign of nutrient burnt. I am happy with the flower size…

EC 5.1 or 1.5 ? Now some strains have that purple reddish tint normally , but sometimes it can be from lack of iron or B-vitamins , which Cal-Mag helps or molasses .

Is this calmag problem?

week 7th

Wow , somebody has a lot of work to do , but what an awesome grow .