Lighting Probe and pulse start metal halide and hps compatibility?

[rshackleferd]

I have read and heard different things about metal halide to hps compatibility. I have been told a metal halide bulb will work in a magnetic hps ballast as long as it is the same wattage but an hps bulb will not work in a metal halide system. I have also read that you should only use metal halide conversion bulbs due to the igniter in the hps system, HOWEVER a pulse start metal halide also has an igniter just like an hps bulb, shouldn't it work both ways since each system has an igniter? and since a pulse start metal halide also has an igniter does that mean i don't have to get a conversion bulb to fit into the hps socket?

 

[SCARHOLE]

I believe the conversions bulbs are just pulse start.

if your wattage is right Id recomend a CMH bulb over a standard MH, the allstart phillips work in both magnetic ballasts.

 

[rshackleferd]

I believe the conversions bulbs are just pulse start.

if your wattage is right Id recomend a CMH bulb over a standard MH, the allstart phillips work in both magnetic ballasts.

Does it have to be a conversion bulb or can it be pulse start metal halide or even probe start metal halide? A probe start doesnt have an igniter so i can see why you would need a conversion bulb but a pulse start metal halide does have an igniter. My question is this, could i use a regular pulse start mh bulb in a hps socket since it was designed for an igniter?