i had two this summer caught em small 1 1/4 in long,i never saw anything in the plants, but the mantis ate enough to shed thier hide, so the were eating enough to grow. no spiders at all!
mine only runs during flower phase,4th grow on this filter ,average flower run at near 9/10 weeks.stepson can walk in and tell me when it's time to fire up the filtration!
was a time when 1 old boy used a 400 hps(?) down low, with a larger bulb up high ,in a silo grow that did quite well .i never saw him use a red in the grow ,it may have been what he was lacking!