I never understood where this idea of penetration came from i used ushio 600 for a long time and if my canopy is tight the bottom always suffered even in vertical the back of the plant struggles and it's like maybe 12" to 16" deep
I'd reconsider what you got going i started with marshydro led similar to that one you linked i would recommend Vero 29 with a computer heatsink and a lpf9042 driver I'm on my phone other wise I'd send links but anyways you'd be much happier for the same price
It's a shame all the numbers and information are scattered through this sub forum to justify why led is a real competitor but the response from several of the core members really puts a lot of people off i believe