bigwheel, but don't give up. there are a few add ons you could do. or younghova has no add ons and he has got decent looking plants.
if your using bagseed expect anything,especially a hard time. i went thru it until i had found some seeds that worked.
i planted 7 and got 2, i planted 5 more and got 2, i planted 3 more and got 2 and finally got the last one in number seven pod.
u don't need the pump running after your roots touch the water. that should help keep temps down. you don't need to change the light but its a good idea as well as add hps or mh.
if u don't run the pump u need an air stone.
i know younghova has no stone, no light change and might be using AG nutes.
i read somewhere else that some one was doing fine without the stone as well.
for some reason, in my "area", geographically, where i grow blah, blah , blah, is different for everyone so some things work better for others. i need air stones and correct nutes. TEK doesn't. whatever. u just got to find what works for you. Some like and use the AG nutes. They werent working for me and i got General Hydroponic stuff.
and by the way because of my seed selection planting regimen, my plants are all different sizes.
another thing that i am doing that is against the readings on this site is i only have a home depot 70w hps light. so i will have data and info on how well it might actually do in my small area.
swampy, No the AG is not designed for growing mary jane, But it is a good learning tool for first time growers. i have learned so much and YES i would definitely build my own. In fact i KEEP re-reading that 30 MINUTE AEROPONIC BUILD post that is up.
here are some pics. they are in grow order. the first is 1-2 weeks, the next is 2-3 weeks, then 3-4 weeks and then 5-6 weeks. the last picture is of pod #7 that i plants the latest. it is being hidden under the biggest one by a fan leave.