Dual Spectrum Bulbs??????

thinking about running 1000w MH/HPS dual spectrum for my autoflower grow......im going to grow Sweet seeds Big Devil and Fast Bud, And Silver Haze.....anybody ever try the dual spectrum with the autoflower???? They seem to be made for each other...Thoughts Please!!!!

im looking into buying now. i think they would be great for any plants but i have not used one yet. will be buying soon.