Zandor: ok i'm trien to understand you but my thought process is completely opposite of yours, so please debate with me and maybe we both can learn something, thats the whole purpose of this right? first you say the higher humidity the thicker and more robust foliage, i interpet that as more water retention, means a slower metabolism due to restricted nutrient uptake, so in other words yes, just like humans when our metabolism slows down we get "fat", nobody wants fat, lets compare the human body and the marijuana plant, so to say, you go on a diet, eat every 2 hours a day, you start working out 3-4 times a week, your going to build physical resistance due to straining your body and giving it what it needs, now you are no longer straining your body, working out has just become routine, right? lets relate that theory to our plants, we have our plants in the perfect enviroment to grow in but our humidity is a tad high, from the naked eye it appears we have very healthy lush plants, they seem to be working fine, photosynthesis seems to be taking place, but what if it could be better? i think the problem is we look at our plants and if they look healthy all is well, hey you might look healthy 50 pounds overweight too but that doesnt mean your performing at your maximum potential, back to the plants, lets say we drop that there humidty down 20%, now our "fat" out of shape plants have to work a little harder to keep up with the moisture inside they have grown acustomed to, true at first we are straining our plants to work harder to rehydrate themselves but do you think in the process of stressing them out there now going to grow thicker stalks to make up for the water loss? the more our plants work, the more there going to grow, the higher there metabolism is going to get to keep up with the dietary needs, after awhile were really not stressing our plants out are we, we've just worked them into shape, now with this higher metabolism and a stronger nutrient uptake were going to get more growth instead of water weight, in terms more resin production instead of water heavy buds, now if our plants our working much harder now, like you said they are transpiring more, and the more they transpire the more there internal heat drops, the lower there metabolism gets, right? but if photosynthesis is happening in the leaves, and we have our leaves basking in the rays of big HID lamps there shouldnt be a dramatic loss in temperature