High Pressure Sodium

$164.95HTGSupply Ultimate 400w HPS & MH Grow LightIncludes: HTGSupply 400 Watt HPS Ballast, Compact 4-Sided Reflector, GrowBright 400w HPS Bulb, AgroMax 400w MH Conversion Bulb, 10' Ballast to Reflector Cord Set, Heavy Duty Dual Outlet Timer
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I have this light. I put a cooltube reflector and a 265cfm fan, and it works great.

I have been looking for a good deal on a 400 hps for awhile.
The ones at HTG supply are a great deal and I have heard good things about them.

That is who i plan to use when I but one for my next grow.