My lights are 3x32w cfl + 1x55W cfl, i water them with 4-6-8 nutes every 4-6 days the ph is around 6-6.4, my humidity is 40-50% and temps are around 28 degrees celsius(82 degrees fahrenheit).
The temp and humidity are given by a cheap sensor that i hooked up on my arduino so i don't know how...