What can I do to fix what I did?

Question from a fellow grower:

ive !@#$ed up
bigtime, after reading for hours on ilgm i came across some good
helpfull information that might have solved my poor girls mystery
i usually grow in the colder months grow inside bud outside
but its the opposit at the moment so tryin my first full indoor grow
they have grown lovely untill now !! What i have done is turned my
nutrient solution when i changed the light cycle 3-4wks too early i now
know this is a big NO NO…
But dickhead me has allways done it grown nice buds finished outside thoe but as i said this first timer do the lot indoor…

Done nothing wrong - are you in the Vegation stage? You will not hurt the plants. Marijuana can take temp changes

they used their last stage nutrient, I believe at stage 2, three to four weeks ago at light change…

how do the plants look? Get on the right schedule…any photos to post?

Answer these simple questions the best you can.
If you do not know, or do not use something; Just say so = NA

Strain; Type, Bag seed, or NA

Soil in pots, Hydroponic, or Coco?

System type?

PH of runoff or solution in reservoir?

What is strength of nutrient mix? EC, or TDS

Indoor or Outdoor

Light system, size?

Temps; Day, Night

Humidity; Day, Night

Ventilation system; Yes, No, Size

AC, Humidifier, De-humidifier,

Co2; Yes, No

Add anything else you feel would help us give you a most informed answer. Feel free to elaborate, but short, to the point questions and facts will help us help you smile

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My trees look nice, lovely dark green n bushy apart from some parts of the lower under growth turning light green/yellow curling over n die cant take pics led lights make the pic all wierd ? I read an article in the growing guide about when to change nutrients this is where i have messed up ive changed the same time i changed my light cycle for some reason it took 4wks to start budding so there for after reading roberts info ive come to conclude i have a nitrogen deficiency as my trees would of lacked that bigtime still growing b4 tipping ! Is this right ? & can i fix the problem by adding 70% bloom 30% grow mix in together to get nitrogen levels up more till growth is back to normal ?? Cheers for replys

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photo’s will help

Ii have the very same proplem. My lower leaves are turning a very light yellow. Which is exactly what you stated a nitrogen deficiency. I corrected my problem with one cap full to a gal. of water of Roberts " Grow Booster " which is 12% by volume. Bloom and Mass were 1 & 2 % by volume…nitrogen
This was mixed and applied yesterday morning and pH was 5.5 6.0 range date done 2/20/2016
Should see results in a couple of days.


Something to keep in mind about the lower undergrowth turning light green/yellow, is that they might just be not getting enough light, the undergrowth often does that.

If you switched back to the proper feeding schedule, and this was only a feeding or two, I’d imagine the plant should be just fine. If you do indeed need a little added nitrogen, some during flower is always needed.

Happy growing,


Mine are in there 4th week of flower… there doing much better now. I have one. 200 watt at 2700 K and a 300 watt 68 watts used fluorescent light at 4200 lumens hanging down so all the buds under the plants are gettig light. And i dont see any popcorn bud any where.