ok I have the same system. You need to get a regular lamp timer for the air pump. When I fist start I have the timer turn the pump on every 3 hours for 15 mins. No water at night (it's resting time). Have those bulbs as close to the plants as you can without burning them. I also use the same nutes with great results. Just follow the chart on the nutes and you should be good. i've never used a ppm meter and everything is perfect. Maybe i'll post you a pic soon. Hope this helps. BTW did you put a divider in the clay pellets to seperate the plants?
-The House:thumbsup: