newbie here. Started with the sun systems 630 diamond dual LEC light and a gorilla 4'x4' tent. In central California (hot !). I have an air conditioned shed that I'm keeping at 68 degrees, I can run 1 light about 24" above my plants ( 1 sativa at 18", the rest hybrids about 10" (4 total) a month old ) & the temp. at ground level is about 76 degrees. If I run both lights I have to go about 30"-36" above the tallest plant & my ground temp. is 80-81 degrees. Am I better off higher & warmer with double the light or lower & cooler with 1 light ? Thanks in advance !!