250 watt MH ballast(s)

[MikeP]

Originally Posted by Slick Fork

I'd be curious to see if the decrease in power consumption is comparable to the decrease in par. For example if the power consumption drops by 15% does the par drop 15% or is it more or less dramatic? Just how much more efficient would an E-ballast be over a traditional magnetic?

Also, what about electronic interference with other stuff such as televisions, radios, aquarium controllers,etc.?

I was wondering about the about your first question(s) as well. Hadn't thought about interference.