Strain us unknown but there beautiful and with only 2 100w cob ebay diy kit and just plane old store bought nutes Jobe's and 20/20/20 fert i know what your thinkin... wtf right? Well it only takes a pinch of the hard stuff to do it. It's all I could find so I made the best of it the pics don't lie. Well it says I can't upload yet so I'll come back