Questions about rapid led

JOKER · Oct 25, 2014

I am running rapid led on a 90 gallon tank and am wondering what most people run them at intensity wise. I am struggling to get just the right setting. I did go a little over on the lights as I got the 180 kit and am using 2 of them until I get the big tank. I am running white at 25% blues and colors at 50% at the moment.

Velodog2 · Oct 25, 2014

I think the key is to pick an intensity and photoperiod and stick with it so things have a chance to adapt. Err on the side of less at first. Once things are stable then slowly adjust. Height over the water is just as critical as anything else. Also depends on the corals u are keeping.

I have rapidled over a 18 gallon with 28 emitters (about twice recommended I think) on 100% for 6 hours with ramps up and down. There are 19 RB/blue, 6 white, and 3 uv. Height is 8". It's a relatively deep tank and the light is a little too much for the acros at the top but they are somewhat adapted. I am raising the fixture about half an inch every couple months and so far get better color every time I do. But need to go slow. Everything is growing well.

JOKER · Oct 25, 2014

I have mine at 20" above tank and have been playing with intensity in little increments . Had my uv and color off thinking it was causing my nuisance algae and that wasn't a good idea as I lost color from some of my sps. Seems to be getting better just looking for ideas. I was at 55 on color and blues and seemed too much. I will just keep tinkering with it at 5% until I like get the best looking sps I can. I wonder if my whites are a little low.