Ballast choice for Ushio 400w

[stephane]

I read people telling that but nome who have real experience with them I run them for 4 month now and everyting seem find so far I hope everyting will be find

Have you realy read a guy who have burn them after 7 month? Do you have a link cause I read everyting I could found and never reach such ting but only people who claim they will last less but on paper not experience

tank