Yellow spots on sugar leaves

f3tz3r

Active Member
I'm not sure of the flower time, sorry.

Growing in 3 gal of FFOF, on a regular feeding schedule of:

.5 tsp/gal Pro-Tekt
1 tsp/gal Dyna-Grow Grow
1 tsp/gal Dyna-Grow Bloom
1 tsp/gal Cal-Mag

Every 4-5 days it gets watered with about 2 gallons of water with nutrients.

Sitting under 1kw HPS on 12/12. Running a 450cfm fan with Carbon Filter exhausting from the room. Have a hole for intake.

Temps and Humidity:
Day -> Temp: 84-88 ; Humid: 35-45
Night -> Temp: 65-75 ; Humid: 45-60

I'm not sure how long they've been flowering, taking a guess i would imagine 6-7 weeks in 12/12. Scoped last night and seeing only 40-50% cloudy, so its still got a couple of weeks or so.

Now to the problem. I'm seeing the usual yellowing of the lower leaves as its ending its time, but on my previous 4 or 5 harvests or so, i've never noticed any yellowing on any sugar leaves. Take a look at my pics and let me know what you think. Any and all help appreciated.




 

burgertime2010

Well-Known Member
My guess is that the light and heat are to blame. Notice how only the very tops are affected? Plants get yellow towards the end of bloom because they have exhausted their nitrogen reserves....this is normal and no big deal. Try and get below 82.
 
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