hey i was looking to buy a new light fixture for my tank and i found one that was the cheapest i can find and itll fit my tank perfectly , my question is has anybody have any experience with these before? ill like to know your opinion! thanks. oh heres a link to the one i was getting http://www.ebay.com/itm/48-108W-2x5...269?pt=LH_DefaultDomain_0&hash=item35bbe0101d