Finnex led strips look bright but their intensity is limited. My tank is 24” high and I’m using four strips staggered for my plants...all of which are considered low to medium light. This is on a 80” long tank. In my previous 225 with a 30” height, I had trouble using four finnex lights to grow plants that were in the substrate. Even emerged plants that were right beneath the bulbs didn’t flourish like they did when I was running 4x54 watt T5HO lighting. They simply lack the intensity.
You would need 6-8 48” finnex fixtures to get the lighting you want for plants unless you go with cryptocorne, anubias, or java fern. Swords do better with medium lighting. The pendants will be a better option in the long run since they use larger more intense, and focused LED bulbs.
I switched from T5HO alights to LED strips to save on electricity and on the cost of replacement bulbs. I started with two strips and had to double up. That’s why this time around, I’m getting the pendants. Tough pill to swallow from an initial cost standpoint but well worth it long run.
I hope to have this tank up and running in a month. I’ll be posting pics of the lighting so you can see what your options are. On a tank this big, pendants are the way to go for live plants. Wait until a holiday sale and buy them on discount. I got mine on Black Friday in anticipation of this build. Saved a ton.
As for flow rate and your ultima piping, it can be a hit or miss with sand. I always get sand into my filters. I just accept this as fact. I can never do bare bottom because scaping is one of the big draws of this hobby for me. For my ultima, I’ll be running six inches above substrate as well and plan on a 2” substrate. I accept that I’ll have tk gravel vacuum my tank every so often.