I'm in the same boat. I have a 20in deep tank and I'm running a Build My LED 24in dutch H/O but would like a 2nd light to cover the back of the tank. I like the output of the Ray2 but it doesn't have the red LED's I need for my red plants. Guess I'll have to try out the Planted Plus.
42g Rimless Planted Tank, EI Dosing, Pressurized C02 w/ DYI Reactor, T5 HO lighting, Newer to plants, Cardinals, Rummy's, Platty's, community tank.