Mephisto Genetics Mephisto Double Grape and Beary White.

There is no way they do not finish faster with 24/0 that is 20% more light per day which means 20% more grow time and possibly a faster finish
This is where things get a bit murky. I've read the exact opposite, 18/6 finishes the fastest but 24/0 puts on the most weight. I'll dig around and see if I can find the source. Any of you Pros have actual field tests done on this?
 
oh man, many thanks AFN :bighug: this is good stuff for a noob like me! seriously, so thankful for your input, I will run 24h next time and check it out myself. I can say that mine tend to go two weeks longer like 80 - 90 days from seed, which if you shave off 2 weeks becomes 65 - 75 days... I'm sold
 
This is where things get a bit murky. I've read the exact opposite, 18/6 finishes the fastest but 24/0 puts on the most weight. I'll dig around and see if I can find the source. Any of you Pros have actual field tests done on this?

I am just thinking about straight up photosynthesis. Without light in that equation the plant does not grow.
 
I am just thinking about straight up photosynthesis. Without light in that equation the plant does not grow.
Very true, however depending on the plants personal DLI, Daily Light Intergral, some of that light may be wasted. My understanding is that every plant has a set amount of photons it can actually utilize in a day. Variables such as CO2 and Higher heat can raise or lower a plants DLI but the plant still has a limit. If you're cranking crazy PPF with your COBs your plants will reach their DLI faster then my Chinese blurples. Fortunately, it doesn't seem like "extra" photons seem to hurt a plant, just not used.
Again, I'm not a scientist and this was found through simple google searches, so grain of salt. But it makes sense to me. I will run 24/0 next run to see if I find a noticeable benefit. Cheers all :pass:
 
I have run All kinds of light schedule on autos since 2011. 24/0 seems to finish faster.atm I run 20/4 veg 24/0 flower due to high humidity when lights out.
But if room is not 100% dialed in.it really doesn't matter.
Low nutes wrong pH for a couple of days will result in lower yeild. but they do finish faster on 24/0

just my 2 cent.
Stay green
[emoji4]
 
Seabass.. thanks for the outstanding journal.

I have 2 DG and 2 Stilton Special just showing sex, about to drop a few more to stagger the harvest. Thanks for showing me what they can be..
Two out of my top 3 you are going to love them. The Stilton special has one of the best tastes I’ve ever had it’s so freaking good. I want to grow it again ASAP
 
nah I dont do 24 bro. Im currently on 12-12 and havent switched back since when this small grow I have currently finishes in a cpl weeks or three ill stop clean and re do en entire tent again. and will go back to my normal which is 18-6. just for money really. but its a nice time.
 
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