Quote:
|
Originally Posted by TheReefGeek
I am also surprised that the name brand ballasts seem to get lower PPFD on average, than the "standard" magnetic M59 type ballast (not sure what brand "standard" is though!)
|
electronic ballasts aren't known for high performance, but for economy. Also, XM designs their bulbs to run best on probe start ballasts -- hence the better numbers on the standard magnetic ballasts. It proves that XM did a good job fine tuning the bulb for probe start ballasts.