A quick browse onto Aqua Illumnations LED light system and we find this question: “How does your fixture compare PFO’s Solaris 250W (G) and the ‘400W’ (H/I4) LED systems? We are using the highest output, single-die white LED for the market combined with a high output blue LED to produce an unbeatable combination. We are significantly more powerful than the Luxeon III LED combination (as used in the Solaris G) as well as the Luxeon K2 combination (based on released data, as used in the Solaris H/I).” Reef Geek offers the Aqua Illuminations system direct on their website. This thing is a beast as we reported earlier.