Im having some real issues with this fixture Ive bought.Its a 8x54 watt T5 48" model.the last light I got the actinics blew.I believe it was the ballast that went...now after taking this light back to the store and getting it replaced after 6 weeks,the new fixture the ballast on the daylight side is blown.whats going on with these lights???Ive only had this light for less than a week! :swear:has anybody else had this problem?:swear: