I've got 2 Radion Pros on my 60 gallon mixed (Sps, lps, softies, chalices, and gorgos) and feel that it is the best investment I have had yet, in my experience. I actually had a problem with the software last week and with in 20 minutes Ecotech took control of my computer and solved everything! Their customer service is an 11 out of 10! None the less I run them at about 30% at in between the 14 and 18k setting for about 9 hours with an hour ram up and down. Sps growth has really ramped up in comparison to the previous led's I had, T5's and halides. Most important factor is the appearance they give, stellar! Really like 405nm leds, they make turquoise and teal corals GLOW! Love them!