Flowering lighting schedule. 13/11, 12/12, 11/13?

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Palmerroadgrower

New Member
Streetpro09 said:
Just recently came across this topic while researching. What's everyone run/recommend for a light schedule during flowing and why? More bud, better resin production, gets the plant to finish faster, etc?? Would prefer responses only from experience and not what you've heard please.
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I tried them all. Didn’t find any difference besides less power on 11/13.
 
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Square_root_pharms

Member
one thing ive been doing lately (due to CMP 17 cents per kwh) is staggering half the lights in my room on their controllers. i have my lights staggered and alternating in my room so that in a 12 hour flowering lights on cycle the first half of the string of lights comes on from 9pm until 5am while the second zone of lights in the same room will be on from 1am to 9am this uses sginificantly less electricity with an overlap of 1am to 5am with all lights on. during VEG i also operate on a similarly zoned alternating cycle which has almost halved my electricity usage and i have not noticed a loss in yield or nug density. this is in an 8x light room with DE lights running at 1200w
 
R

Rollinfunk

Noob 4ever
I'm a noob, but have been doing 11/13 in flower. I've read less chance of herms as it mimics nature more than 12/12. My first grow sucked and I didn't have a single herm. I was doing 18/6 for veg but bumped it to 20/4 as i'm trying to keep my tents warmer. i'm struggling with night time temps and trying to dial things in
 
Cob_nUt

Cob_nUt

"Justa Ganja Lover"
You'd definitely noticed the yeild decrease on those baseball bats you grow @Dope Heffalump. Certainly lose yeild if they finish quicker.The reason I hadn't noticed any decrease is I upgraded my flower tent AFTER I went down to 10/14. I went from 350 watt(wall draw) led using only a 3x3 footprint.Now its 720 ish watts of cree3590's in the same tent 4.5'4.5' but I'm using the whole footprint."loosley" key term.Heh,I get more buddage now but I know why.
 
Dope Heffalump

Dope Heffalump

Tip burner
Cob_nUt said:
You'd definitely noticed the yeild decrease on those baseball bats you grow @Dope Heffalump. Certainly lose yeild if they finish quicker.The reason I hadn't noticed any decrease is I upgraded my flower tent AFTER I went down to 10/14. I went from 350 watt(wall draw) led using only a 3x3 footprint.Now its 720 ish watts of cree3590's in the same tent 4.5'4.5' but I'm using the whole footprint."loosley" key term.Heh,I get more buddage now but I know why.
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It seems to make a small difference in my own experience, but I haven't done any hard scientific testing. :p
 
gwheels

gwheels

Hobby Farmer
I will probably stick to 12 12. I have tried a few different things and less than 12/12 seems to effect yield.
I have done 12/12 with a 1/2 hour reduction per week or 2 to finish ending up at 10/14. I think it was more fiddling than useful.

But I did get critical mass to finish in 6.5 weeks and that was pretty fast. Devasting indica effect with amber trichs then too.

Last run i was 11/13 for the duration after 2 weeks of 12/12.

I think i will only adjust light cycles if i am running LR sativa or crosses that need that reduction to finish flowering. These work better outside for me anyway :D
 
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