400w Soil Bublelicious Auto Fem Problems

Ok… I try to read and learn but this is going way wrong and I want to correct this before it goes much further. So, I decided to ask the pros here.

Setup: 400w MH - 6” Air cooled - 440 cfm fan - 1,000 cu ft shed room Avg temp mid/ upper 80’s – Humid 55-65% (hit 92’ - 2 days last week) 10” and box fan circulation - 18/6 time – O2 6.0pH/ 30ppm – Advanced Nutes G.M.B./ Super Thrive

Nirvana Bubblelicious Auto Fem - Paper towel Germ’d 3/10, Rapid Rooter 3/12 – Started Hydro but temps were going to be an issue so swapped to Soil growing with Jungle Grow Pro

Watering: Seedling straight O2 pH’d – Into hydro drip sys @ minimum Nute 1-1-1 pH 5.8 – moved to soil 3/23 with O2 and SupThr 1ml/Gal – 4/1 even parts GMB 600ppm/6.0 pH – 4/5 (3-2-1 parts GMB) 700ppm/6.0pH – 4/7 O2/1ml SupThr/1tsp molasses per gal 139ppm/6.0pH



The later watering may seem like a lot but it was drying out. I really noticed the rolling leaves when it got hot inside the room at about 92’. I assumed they would smooth out after now getting high 50’s at night and temps are now 85’-90’ highs. I want to start flowering period before it gets really hot here in Northern Cuba and I have to take a break. Possibly next week. I have about 8 weeks to go and THIS IS NOT the way to start flowering. Here's today. Any advice will help.




Thanks for your support.

Bumpty Bump

Might wanna get your temps down, around 78, and see if that helps..

its probably moisture stress due to temps

Yes. The temps got above 90' for 2 days but that was 10 days ago. Shouldn't the leaves flatten back out after the heat decreases?
Another thought always crosses my mind with this point..... What are the outdoor plants doing? I mean, is every plant grown in 75-78 degrees? No. So why is heat stress effecting plants indoors at 80'-89'? How do they know where they are? The mountainsides of Central America are at least 80-90' and humid. I'm in the same Lat lines even if it was the gravitational pull that's the difference.

SeaBow said:

Yes. The temps got above 90' for 2 days but that was 10 days ago. Shouldn't the leaves flatten back out after the heat decreases?
Another thought always crosses my mind with this point..... What are the outdoor plants doing? I mean, is every plant grown in 75-78 degrees? No. So why is heat stress effecting plants indoors at 80'-89'? How do they know where they are? The mountainsides of Central America are at least 80-90' and humid. I'm in the same Lat lines even if it was the gravitational pull that's the difference.

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Pot can grow in the 90s outside just fine....outside. And as long as it's a land race ( native ) it will do just fine.

Inside 90s are different.

Growing seeds of plants that were bred for lower temps 70s to low 80s is also different.

There is good smoke in Cuba but it has always been Sativa dominated.

It would be like growing sugar in Canada or something.

SeaBow said:

Yes. The temps got above 90' for 2 days but that was 10 days ago. Shouldn't the leaves flatten back out after the heat decreases?
Another thought always crosses my mind with this point..... What are the outdoor plants doing? I mean, is every plant grown in 75-78 degrees? No. So why is heat stress effecting plants indoors at 80'-89'? How do they know where they are? The mountainsides of Central America are at least 80-90' and humid. I'm in the same Lat lines even if it was the gravitational pull that's the difference.

Click to expand...

Because different strains adapt to native conditions through evolution. The strains you find in hot tropical areas are not the same you find in cooler mountainous regions. Even within the Sativa/Indica families themselves the plants will differentiate themselves based on climate and conditions. Throw in selective breeding, genetic experiments and everything else and the result is wildly varying 'optimal' grow conditions. Seeds from a breeder are going to much more acclimated to controlled conditions like lower max temps, average humidity, etc.

You also have an autoflower, which certainly has 'rude' genes, even further altering the plants genetics from its original native form.

That being said, the leaves look like they are suffering from heat/moisture stress. Plants breathe 'out' through the bottom of the leaves and the curling means it's trying to expose the bottoms for better respiration.

ULMResearch said:

That being said, the leaves look like they are suffering from heat/moisture stress. Plants breathe 'out' through the bottom of the leaves and the curling means it's trying to expose the bottoms for better respiration.

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Ah.... over watering AND heat. Damn dirt feels very dry when I water, though. Also do the pot lift technique. This is my first "real" grow and I've definately got some learning to do. My goal is to take cuttings at 12/12 flip and have them root to go into flowering schedule. See how long I can keep it going before 100' hits this summer.

The Autos won't like the 12/12 from what I've been reading.... any insight?