There are some negatives to the light as well as positive so i will try to list them here:
I purchased the 36 inch non hanging type for a 40breeder. It sort of fits (the brackets are not adjustable - i knew that) and it is designed for exactly 36 inch rimless tank. On the aqueon tank i have it sitting on the black rim and set far enough back i can open the glass canopy. When the canopy is open it is just far enough back that i can lean it against the light.
The app is not as bad as folks say - there is one annoyance to adjust the times you have to delete all previous times in the sechdule and re-enter them. To delete them you swipe them to the left. They should make it easier to adjust the times.
I have the warm version (I debated long and hard between the warm and cool version. It is not clear to me if the higher blue spectrum of the cooler version would allow for better plant growth than the red spectrum of the warm version nor do they provide spectrum of the two lights just the range in K so you don't really know how much red, green and blue each light has.
The warm version is very pleasing to the eyes but i can't comment on the maximal effectiveness and I've only had the unit turned on for a month now which is not a long enough evaluation period for a low tech tank. The light is very expensive but part of the reason for purchase is to evaluate it for a much larger build i will be doing in 18 months - basically a pair of 500 gallon tanks - for those bulids i would use a hanging version.
I thought about adding co2 to the 40B but there would be some head-aches i don't want to deal with right now and in 16 to 18 months i will have to tear the tank down when i move.
probably in 2 months or so i'll post a final update. The three plants that i have noticed improved growth with this new light are the -- Myriophyllum tuberculatum, Helferi One and Ambulia Limnophila. All three were on the verge of dying to nothing with the fluval plant 3.0 so it does seem that high intensity does in fact benefit the low tech tank.
Thats a cool light. I want to try it on the next planted tank I set up.