Liquid Ladybug to the rescue.
http://www.gthydroponic.com/pest-control/sprays-and-concentrates/liquid-ladybug-32oz-bottles-rtu/
This site has some good stuff on in. Including the actual video of how it traps eggs.So go check the video out.
Ph is way off! that tightening is early signs of either 1. the chambers are too high or 2. the ph is @5.6 or lower too often. Im thinking raise the ph and check the water temp to avoid those issue in the future. Nice system those are fun. That tent is shitty too. dont but the white gut versions...
aeroflo 36 sites are mad easy to use and same on the foot print. I have a few 60s and there easy to roll with. I dont like posting tutorials so I recommend youtube for a walk through.
You can view the unit here. http://www.gthydroponic.com/misc/aeroflo2-36-sites/
I have been extremely happy with the Ozonator w/corona discharge. Dont ask me what that is. I thought I would throw that in since I have some experience in that field. Here is a link. It pretty dope...
leds were put out a while back and misrepresented and over marketed and not proven CHECK out kessils the only true LED the rest are stop lights in new housings straight up.
http://tgchydro.com/hydroponics/kessil/