250w vs 400w???

[MikeP]

Originally Posted by fiorano

thx guys like i said i already have the 250's but i have 2 identical ones running off the same ballast and then one in the middle i bought later on and it seems to be brighter than the other 2. could that mean i need a new ballast for the dimmer ones? they all have identical bulbs bought at the same time so its not the bulbs i dont think.

Sorry for the hijack but the answer to your question might answer what I was about to post. Are all magnetic ballasts created equal? And can their performance diminish over time? I have 3 magnetics now but was considering buying a dual ballast to replace the DIY ones I have (bought them used from another canreefer last year), if all magnetics perform the same I might not bother but I'm also looking at electronic ballasts.

Tx