i tried the search feature, didnt really get a clear cut answer has anyone ever seen/tried these? are these the same as the higher watt hid bulbs minus the ballast/mogul base? metal halide 175 watt med base: http://planetbulbstore.com/mh175-u-med-e.html hps 150 watt med base: http://planetbulbstore.com/lu150-55-med-e.html im setting up for a grow and im in the midst of getting lights if these dont work, the same website has 105 watt cfls and ill probably be going with that route thanks for the help!