Hempy Plant turns Light Green

[Cocktrauma]

High my Friends
I have another question for you guys
Hope somebody can help me
I am doing a side by side hempy/Supersoil in 8x2 feet Box
Temp is around 28C
RH 66%

10Gal Hempy next to 70l Super Soil
Day 14 of flower and everything doing good

Now my question(please check the Pics attached)
My supersoil plants are proper green with even a touch of to much, healthy plants or
My Hempy plant is light green but looks healthy to
Feeding:
GH Maxibloom 7g/Gal npk 5 15 14
EC is around 2.0 with some CalMg added

My question now;
Is my plant fine or is it craving something?
Nitrogen maybe?
If yes
Could I just add some GH Micro NPK 5 0 1?

Hope you could help me.
Both side are looking fine to me but the color.

DANKESCHÖN!

 

[simpleleaf]

Light green plant looks iron deficient to me.

 

[keep it real.]

High my Friends
I have another question for you guys
Hope somebody can help me
I am doing a side by side hempy/Supersoil in 8x2 feet Box
Temp is around 28C
RH 66%

10Gal Hempy next to 70l Super Soil
Day 14 of flower and everything doing good

Now my question(please check the Pics attached)
My supersoil plants are proper green with even a touch of to much, healthy plants or
My Hempy plant is light green but looks healthy to
Feeding:
GH Maxibloom 7g/Gal npk 5 15 14
EC is around 2.0 with some CalMg added

My question now;
Is my plant fine or is it craving something?
Nitrogen maybe?
If yes
Could I just add some GH Micro NPK 5 0 1?

Hope you could help me.
Both side are looking fine to me but the color.

DANKESCHÖN!

I would lean more towards magnesium or chlorophyll needs to mature and green up.
iron deficiency is very very rare in cannabis.

 

[beefninja97]

lower your EC, it's too high. You are likely getting salt buildup which causes lockout, which people here will identify as a "deficiency", which is technically true, but it's deficiency caused by lockout due to excess nutrients/salts rather than too few. put it at 1.2 EC and make sure you feed to adequate runoff and it will be golden. keep doing as you are/raise the EC if you want to see what a burnt plant looks like.

 

[Cocktrauma]

I will
Just game them a good flush with ex 1.2

But I am a bit confusedi read a lot about hydro and Lucas Formular etclot of people go with 7g/l Maxibloom which will be ex 1.8-2.0

I had a few hydro experiences from years ago and was a bit worried about the high EC as well but I thought I give it a try


What is everybody else doing different to me
If you check online ec 1.8 is common in flower

So ec 1.2 is not the limit but i should check whether the runoff ec is rising or getting lower?

Thank you so much?

 

[Cocktrauma]

Update
Even after feeding lower ec the runoff raised about at least 0.4
I decided to flush
Covered the drainhole and filled with 2x potvolume with ph ed water ec 0.1
Runoff about 6gal with ec 1.3 w
Will leave it for a day and go back with half strength nutes then.

Why the hell is everybody promoting Lucas Formular and ec 2.0
Guess it will fry most plants under normal conditions?