keep the questions comin man, no worries, i'm a proffessional bum, and a herb caregiver to myself
reason i use perlite is for fast growth, i get house inspections every three months , i dont want a 5 week flowering skunk nest going if i got a inspection round the bend.....soil generally takes alot longer to flower as roots starts to compact, they break down less and less creating clogging (bad for oxygen supply, and bad if you like to feed your plants high ppm in flowering as you get nute lock much easier, i mean yeah you can help it by adding perlite, and vermiculite, or whatever, but from what 'my master' hehe says perlite is clean, doesnt need to break down, can easily be flushed and is much more forgiving if you stupidly fuck up your nutes, just flush and go again, aslong as you havent left it too long...
as for lights, at the moment i'm just using HPS, in the above pic, it looks white, as i snapped a pic before the lamp warmed up, stupid camera has trouble focusing at that distance from lamp when it's hot. i may add some UVB lighting when flowering happens, but i would like to work out my heat issues first, damn it, I'm hoping there's not much summer left, its been a late summer with 40+ degree days
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