I'm using this setup:
http://www.aquariumlight.com/product_info.php?dbid=239
It's a dual 175W metal halide with 220W VHO, check out the ballast box in the middle of the picture. I believe that is a magnetic ballast, right?
I'm think about to change it to this one:
http://hellolights.com/aroba15mh.html
I would like to know what is the differences bewteen Magnetic and Electronic ballast?
http://www.aquariumlight.com/product_info.php?dbid=239
It's a dual 175W metal halide with 220W VHO, check out the ballast box in the middle of the picture. I believe that is a magnetic ballast, right?
I'm think about to change it to this one:
http://hellolights.com/aroba15mh.html
I would like to know what is the differences bewteen Magnetic and Electronic ballast?



