Is this starting to turn yellow?

This is my 3rd week and i think the color is changing on the top of my pineapple express strain.

Is this a normal color in the 3rd week or am i doing something wrong?

What types of nutes are you using. Do they provide enough N. The NPk values on the nutes your using will say alot. That a hydro set up ? Hope it helps. Good luck

Looks like a lack of N to me. Normally it goes from bottom up but can also start up top sometimes.

save this, it will help you in the future.

I dont think it is lack of N. I have never seen N def start with new growth which is usually lighter in color anyway.

BUT

How can anyone tell you if you might be deficient if you dont mention your feeding schedule?

Need to know hun:
Feeding schedule/what you use etc..
what type hydro system? On a timer or 24/0?
Lights used & how close
ec/ppm's and pH of your system
temps/airflow of the room
strain you are growing (some are lighter than others naturally!)

LadyZandra said:

Need to know hun:
Feeding schedule/what you use etc..
what type hydro system? On a timer or 24/0?
Lights used & how close
ec/ppm's and pH of your system
temps/airflow of the room
strain you are growing (some are lighter than others naturally!)

Click to expand...

Feeding schedule/what you use etc..
--> Once every 2 weeks. I'm in the 3rd week so i've only fed it once. Moon Dust.

what type hydro system? On a timer or 24/0?
--> Not sure what you mean. I've got a container filled with water to the bottom of the net pot with an airpump blowing air to it. Light schedule is 18/6.

Lights used & how close
--> 6500k 850 lumens, 6-8" inches away

ec/ppm's and pH of your system
--> not sure, how do i find out?

temps/airflow of the room
--> not sure but it feels like room temp 73 but i will buy a thermostat to see.

strain you are growing (some are lighter than others naturally!)
--> pineapple express

Looks like th start of sulfur def. Just feed em

How often are you supposed to change the water in a hydro setup?