Ordering a Grow Setup: Missing Anything?

Seeing as I don't really know what else I would need am I missing anything major or buying anything incredibly stupid for a DWC setup?

Thanks!

Grow Room
Oracle Fan - 6"
CAN 9000 - Charcoal Filter
CAN Flange 6" - Can 33/66/50
Oracle 24 Timer - Dual
Grow Lab 60
ThermoFlo Ducting - 4 x25
Super Sun II Reflector + Lumatek 1000
- Super Sun II Air Cool Reflector
- Lumatek Digital Ballast - 400 watt - 120/240 volt
- EYE Hortilux - 400 watt HPS bulb
- Standard MH - 400 watt (36,000 lumens)
- Light Hanging Kit

Testing
Hanna Combo pH/EC/TDS Tester
Hanna Calibration - 1382 INDV
Hanna Calibration 4.01 -230 ml
Indoor / Outdoor Hygro Thermometer


Nutrients
Earth Juice Natural pH UP 2 lb
Earth Juice Nat. pH Down 2 lb
GH FloraGro - Gal
GH FloraBloom - Gal
GH FloraMicro - Gallon

DWC
SGP Air Tubing 1/4" (10ft. Roll)
GH Dual Diaphragm Air Pump
Air Stone Elite Aqua Fizz -6"
EZ Clone Neoprene Insert 35bag
Bucket Net Lid - 6" - SS
Bucket - 5 Gallon Pail
Hydroton - 50 litre bag

seeds or clones. Looks pretty complete to me jut add water.

oh maybe a thermometer.