veg help needed / Where am I screwing up?

[serpentine5]

And some more.....

Pic 1: general pic with the HID on.
Pic 2: Foil lifter to show how I put the peat into teh wool.
Pic 3: Temp probe
Pic 4: Therm in the water, the water is just above the therm.
Pic 5: Temp probe at the hood.