YES!!! finally someone has come out with this idea also.. I Had a 10x15 foot room about 2 years ago i got 2 light movers for it and had the light moving acrross room... i had 1000w hps ON 12/12 and I addED a 1000w mh, I turn on mh 4 hours into the day and 4 hourse before end of day.. it worked absolutly BEUTIFULL!!!! i couldnt tell you if thc level were higher considering i have no way to test, but the buds were absolutly bigger!!!!