XM vs. Ushio bulbs

[Bartman]

Originally Posted by Willow

this should be easy.. ushio bulbs won't fire on hamilton ballasts correctly so my vote would be xm then

According to all knowing guru Sanjay:

http://www.reeflightinginfo.arvixe.c...rmancedata.php

they work fine on a standard M57 ballast and give a higher PPFD and better colour performance than on an electronic ballast.