http://www.businesslights.com/?page=...8e4ce87119831&
High Pressure Sodium Lamp Specifications
Lamp Wattage 400
Bulb Type/Finish T15/Clear
Base E39 Mogul
Operating Position Universal
Fixture Rating Open & Enclosed
Correlated Color Temperature(K) 2100°
Color Rendering (CRI) 21
ANSI Spec (Ballast) S51
Initial Lumens 45,000
Lumens Per Watt 125
Mean Lumens 45,000
Ave. Rated Life (hrs @ 10hr/start) 24,000
$13.90 on this website. Is this ideal lighting for a flowering plant? If not, what's the type of light for the $ when flowering?
Also, if you take three 200W bulbs and place them side by side, does this do any better then two 300W bulbs (if you're growing just one plant and don't need the light to span out over a wide area).
dankmann