hi. This my third indoor grow ,thc bomb (66 day) and northern lights(36 day). I'm using soil in 4 gal. pots and two 300 watt leds,80 cfl and have good air flow. I'm using fox farm nuts. at 1/2 tsp per gal. rain water.Temps been 65- 80 deg. and ph around 6.6. This past week the leaves on the thc bomb have been turn yellow. The plant still looks good with nice big buds, but it not near ready(not sticky or frosty at all with white hairs) I hope someone can shed some light for me? My first 2 grow were good and have been growing outdoors for 6 yrs. Will post more pic if need be.
Needs some help please.
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Well we see allot of cal/mag problems under LED ..can we get a full plant pic?
Classic CalMag deficiency. Is it the lower leaves especially? Cal Mag issues will stunt the growth of the plant and definitely diminish yield. As me, I know. I just harvested a dismal 2.5 ounces from three plants with calmag issue.
I would go get a bottle of calmag and water with 2 tsp initially then back it off to 1tsp every feeding. You can also foilar feed with calmag. Do your research on this first though.
Plant with calmag issue.
I would go get a bottle of calmag and water with 2 tsp initially then back it off to 1tsp every feeding. You can also foilar feed with calmag. Do your research on this first though.
Plant with calmag issue.
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Yeah pmurf-- we need some whole plant pics to confirm,... leaves above-- are they from the older plant? (auto's, right?) ...at 66 days, late budding should be happening, so some yellowing is normal on lowers to mids,... leaves above look both Mg and especially, N defc. (overall yellowing, veins included), which at the later stages of bloom, is pretty typical,... that's why we need the pics, mate, so assess the big picture here, and make recommendations! Do what you can please,... 
Well, from this pic, it looks to me like she's ok. Leaves yellowing and dying occurs more rapidly near the end of life. Some plants even lose all their fan leaves, I've had a couple do that From the leaf pic, I don't see chlorosis, which would have yellow leaves with green veins. IMO your plant is fine.
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pmurf-- actually, she looks okay, brother,...late stage blooming, nice fat buds,..she's ripening just like she should... Not a time to be adding in nutrients to correct defc.'s! ...feel free to remove the spent leaves and other debris, to avoid any potential mold issues,... she's pretty compacted in there! Time to have a good look at your trichomes, and see what color stage they're at: clear--> to cloudy/milky--> to amber (note that some auto strains don't show this much-- uncommon, but it's out there),...then figure on a cleansing period of about a week-- nothing but light watering, before harvest! Have you a magnifying lens?- say, 10X will do the job,... look up Muddy's When to Harvest sticky article, in the New Growers section.... cloudy/milky is mature enough to take, with a more heady buzz,... amber will offer more body/sleepy buzz elements,... at this point, it's personal preference thing! Let us know what you can see,... :Cool bud:
Yea, this happened from the very beginning. In this pic she is far from done. Even as a baby she had issues. All three in the grow did. I was pulling off leaves by the handful. It was like those nightmares where my hair is falling out all at once 
This grow turned out miserable. Decent buds, but poor yield. Since my transition to bottled water things are much better.
This grow turned out miserable. Decent buds, but poor yield. Since my transition to bottled water things are much better.Similar threads
