Lol. If you can throw down weight it won't. Been there. My trellis pulled over 5 gal buckets of cement with harvest weight sagging the trellis like a bowl. ;)
We talking canopy temps under lights or room temps?
Non co2 enriched I want my canopy at 83 lights on. Co2 enriched I want 88 canopy. Heat (to a point) = increased metabolic rate IF there are no shortages of co2, h2o, feed....
Soiless or not, feeding hydro nutes is done at 5.8 with the exception being 6.1 for coco, I see no reason to go as high as 6.5. Only time I used pH up was when my trusty meter was wrong and shit got way bad lol.
pH up is a base and thus cancels out some of your nutrients (note the white...