Yea definitely terp loss, but you need to be mindful of pm with that high of rh. Airflow helps, but no guarantee.
Bro I don't blame you. Considering the same it's just the leccy bill that will suffer haha. Its meant to drop 10 degrees here by next week so hoping I've timed it right and these girls ride out their mid/late flow in more reasonable temps. Peaked 35c when my lights flicked on today!
It's actually science not malarkey.
Your theory is that if you push the plant to photorespiration you can supplement co2 to correct it basically. 85 is where most c3 plants begin to reduce or slow down their RuBisCO process which is what actually does the carbon fixation within the plant. If you heat beyond those temperatures carbon fixation turns into photorespiration where you're literally causing detriment not benefit. The plant can begin taking in o2 instead of co2 and it causes a buildup of phosphoglycolate within the plant. The plant has to use a very wasteful process to process out the phosphoglycolate and other stress related compounds out of the plant. Referred to as a literal complete waste of energy.
Based on that information it sounds like running hot temps and risking photorespiration would be more detrimental even with co2 than running cooler temps say 80 °F daytime 75 nighttime and a modest 60-55% humidity.
themodern.farm
Yep you're right. I thought it was higher than 85 though. I actually didn't say any of that I just said that higher temps and higher feed need higher CO2 for maximum possible production. Low CO2 you're wasting light and feed, reverse that then you're technically wasting CO2 where the plant would produce the same if not maybe only a negligible amount more than if you didn't use it (and if youre running too intense light without CO2 you'd likely get less) So technically it would be unnecessary due to the fact it would be roughly the same either way but more cost effective without. Using CO2 is only truly effective when all other variables are dialed in. And if you're going to that level of cost and control then why wouldn't you want to have the best outcome? I mean I'm not telling you what to do either way it's your grow and if that's what works for you then power to the people but I'm simply stating the facts.Your theory is that if you push the plant to photorespiration you can supplement co2 to correct it basically. 85 is where most c3 plants begin to reduce or slow down their RuBisCO process which is what actually does the carbon fixation within the plant. If you heat beyond those temperatures carbon fixation turns into photorespiration where you're literally causing detriment not benefit. The plant can begin taking in o2 instead of co2 and it causes a buildup of phosphoglycolate within the plant.
I'm reciting this from here a real scientific article not what a LED grow light blog said.
Photosynthesis and Cannabis | TheModern Farm
Photosynthesis is the basis for all plant life, yet most gardening guides only mention it in passing, if at all. If you're unfamiliar, photosynthesis is the process plants (as well as some bacteria, algae, prokaryotes, and some ) use to turn energy from sunlight, in combination with water, and...
I misread your post going back, you said feed higher ec I read it wrong, so we both had a wrong idea on both of our ends but hey we are always learning. I have experimented with high humidity high temps cause trust me I would love to turn my mini split up to 85 and my dehu to 60% to save on electricity but unfortunately the plants were not happy and my yields ultimately suffered. I came from HPS to LED so I had to learn a lot about temps, when I ran HPS I would run 75 cause plants would be as hot as 82 at the leaf sometimes.
