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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.
