...With the Xtrasun Convertible Ballast, you'll have Xtra flexibility ...
Use Halide for growing and Sodium for flowering
http://www.hydroponics.net/i/133399
Should we use Halide for veggies and Sodium for Flowering?
Bob
What is better, Sodium or Halide bulb or use both?
We have 2 room each veggie and flower with 72 plant each room. room is 8'x18' white walls with white 6mil plastic for devider.
Bobbongsmilie