Touch high but not to bad 27C is meant to be the number to aim for.IM USING LED ONE MARS HYDRO SP600 AND A KNOCKOFF WITH THE SAME SPECTRUM I HAVE THE TOOLS TO TAKE LEAF TEMPS BUT THE LAST I RECALL IT WAS 84F WITH LED AND THAT SEEMS HIGH
What that in f?Touch high but not to bad 27C is meant to be the number to aim for.
I agree , we aim to keep it cool but its way harder to "overheat" them then most on the forums say. I got a buddy who has never hit anything lower then 95f ......his shit aint top notch but it grows to finish and aint too bad. His numbers would have the science freaks saying its impossible. I read 20 years ago that the stomotas close in the upper 80's......if that was all the way true then them plants would never surivive. The living soil and the plants themselves change according to their environment just like anything in the wild. This dudes canopy has to be around 110f during lights on (prolly higher) and ive never seen them "overheat" an die.84 is not high God damn my room hits 90 regularly.
Buds are full of perpetually flowing water and create no heat of their own, its a lot harder to overheat them than people pretend. Even new seedlings feel like a cold wet greenhouse up close, they are perfectly chill, oily and stinky at 90°. Unless you're spraying them with oily shit of your own..
Listen to GregNR and add a heater if you need to increase heat at the leaf.So should I move my lights closer to the point that the leaves temp read 80f considering the humidity and airflow is correct?
Between 70f and 90f is fine. We aim for 80f at the canopy. The plant will not care about 4 or 5 degree either way. With them leds , id keep them as close to the plant as possible without the canopy getting too hot. "Too much light" is hard to achieve with small led but its possible.So should I move my lights closer to the point that the leaves temp read 80f considering the humidity and airflow is correct?
Thank you very informative!!! Had to read it a few times to understand seemed like there were conflicting statements but I reread![]()
Leaf Surface Temperature (LST) in Hydroponic Growing | Manic Botanix
LEAF SURFACE TEMPERATURE IN HYDROPONIC GROWING For most growers monitoring the air temperature and RH around the crop is sufficient for creating a reasonably optimised grow environment. However…medteknutrients.com.au
Thats true enough, but IR guns are cheap as chips and its a faster way of measuring, u can also take the leaf temps in a few different placers on the canopy in 5 secs flat. Its a really good tool especially if ur not running in a sealed room and ur temps fluctuate.Keep it simple. Place your hand on the leaf palm side down. If the back of your hand is pleasantly warm you are within range. Grow plants or grey hair. I prefer to grow plants and let the grey fend for its self. Peace.