I have been dealing with a really bad cyano issue for months and was doing all the normal fixes you should when this happens but wasn't getting anywhere. I hadn't done the lights out bit yet because I was convinced that I shouldn't have cynao issue with low intensity LED's. I had already reduced them for about a month to only be on about 5 hrs at low intensity. But I had a pretty long blue ramp up and blue ramp down time. My LFS guy -who is actually very helpful and problem solved with me for about 30mins the other day suggested I do a lights out for 3 days and then evaluate. (Cyano went away after the first 24hrs of lights out.) Then pick a color temp I like but cut out the blue ramp up and blue ramp down, so that what I was trying to set. It was actually more difficult and step heavy then I thought. I usually just picked one of the pre sets and lowered the intensity. I didn't realize the modifications you can do within the presets. Thanks for pushing me a bit to look closer at the settings. I have the light set to come on at 10am at 1350K and go off at 1pm at 1350K. at 60% intensity. No blue ramp up or down. I'll stick with those setting and see how the tank responds.
PS: Tank is a 40g IM Nuvo with protein skimmer, media reactor and I use RODI water. Live rock, fish and mostly softies, (I lost all of my stonies with the cyano out break)
