hp sodium bulb & metal halide ballast?

[kindprincess]

do it, here's how...

http://www.onlinepot.org/grow/wiringlights.htm

it won't work if your mh ballast doesn't have a x3 line...

love, kp

kindprincess Reviewed by kindprincess on 12-23-2006. hp sodium bulb & metal halide ballast? will i damage anything if i use a 400w hp sodium bulb with a 400w metal halide ballast? anyone ever try that? Rating: 5