If you do a search there's a grow log from a couple months ago where the grower was using similar (may have been the same) led's in a grow.
PharmaCan Reviewed by PharmaCan on . EcoGrowBar? Has anyone given this a try, it seems to give you the same lumens as a 250 watt hps/mh but this only uses i think 30 watts! Insignia Partners Check out the link! Rating: 5