Yellowing?

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Holdemgodmode

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Fast buds gorilla glues on day 60. Really kicking into flower and using full dose nutes Of GO box nutes.

I noticed it's starting to turn very light green and yellowing a lot to. Why? I'm feeding about 2 teaspoons of calmag every time I feed which is every other watering.

Can someone help?

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i’m pretty sure you’ll need to start here:

Please fill in this form: (copy and paste part is below, this first one tell what specifically to include)

-Problem: (brief description)
-Medium/grow method: soil; soilless-- coco, or peat based like Promix, etc. (please provide the actual product name); DWC, NFT, etc.
-Feed and supplements used: include brand, dosage/strength, frequency of feeding and watering (alone); method-- by hand, drippers, rercirc' or drain-to-waste,... N-P-K #'s too if you can!
-Water source: RO/DI; tap- dechlorinated-?..... EC or TDS reading; pH (don't bother with this on RO/DI, do bother with TDS/EC though to confirm it's working well enough)
-Strain and age
-Climate: night and day ambient T and RH%; res' temperatures; any extremes in T/RH% exposure
- Light used: HID, LED, COB, combo of,... wattage; light cycle hours (20/4, 18/6 , etc.); distance to tops....
-Additional info: How long have the plants been affected?...How fast did symptoms appear?... Anything else you think might be relevant..

--Pictures including WHOLE PLANT PICS, and troubled leaves.. use normal light or flash as other light sources ruin color rendering, critical for diagnostics!

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(copy and paste)-->

Problem:

Medium/grow method:

Feed: and supplements used:

water source:

Strain/age:

light used:

Climate:

Additional info:

Infirmary Staff aim to Answer your queries within 24-48 hours.
 
Problem: plant yellowing and turning very light green. 60 days old from seed

Medium/grow method:
FfOF soil 3 gallon pot

Feed: and supplements used:
GO box nutes

water source:
Tap/distilled random choice
Ph using color dye

Strain/age:
Fast buds gorilla glue
Day 60 from seed

light used:
2x auto cob 55

Climate:
3x3x6 never goes over 85


Additional info:
Plant quickly started turning very light green and yellowing a bit. It's getting full strength now of GO box nute lineup . Never had any burn. X
 
GO box lineup for nutes. At full strength.
 
...GO is pretty mild stuff, and organic or not, in-pot soil pH needs to be monitored, there's nothing automatic about organics keeping it in range all the time,..too many influencing factors!... That aside, the Bloom is kinda weak, you may need a PK booster to keep up with demand,... I did when I used GO... I also included a micronutrient supplement,... Do you use inoculants? For organic, those can be a big difference maker since it's the soil herd that breaks certain nute sources down into absorbable forms; also an enzyme supplement is of benefit too,...
Most of what I see is P defc., but top yellowing hints at an immobile nute defc. starting, likely S... First, that soil pH needs to be checked, next step hinges on that,.. especially with the dubious OF soil these days! So many people get low pH bags of it- :doh: ... their quality control is a joke anymore, IMO... # 1 problem soil i see in here! .....meantime, adding more nutes to an off pH pot will make matters worse,.... best tool for that is an Accurate 8 soil pH probe; in a real pinch, you can water the pot enough to get a couple cups of run-off,collected at the end of the drain, not beginning... tst that with the pH meter to get a very crude reading,.. if it comes out badly off, you know at least that there's an issue there, if not an accurate actual in-pot pH,.....
 
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