The op who is me has lots of flow. I posted this in another post. 1 240 koralia, 1 180 hydor, and the a.c. 70. Don't mean to call you out on this, but it was posted. Lol n
[quote=daniella3d;750958]Perfect SPS conditions? there seem to be a range of "perfect" SPS conditions since mine are growing like weeds in these conditions.
I have 2 koralia in my 75 gallons, that's it. No sump so no return pump and flow from that. So some part of my tank only receive very little flow and some SPS there are not even waving their polyps so that's really not much flow. I keep thinking they will die, but they don't.
If your SPS have poor colors, then not sure what is your problem. I am sure you will figure it out
Again, I don't have much flow and I have great colors and growth. They don't juste stay alive, they thrive.
So what makes the colors then? I would say light and stability is more important than flow. The difference I can see is that my corals are darker in color than those kept in ULN, but they are colorfull still.
Also the colors improved a lot when I started to use Zeovit Coral amino and coral vite, that was 2 years ago.
I did not know that the OP had no powerhead and no flow. That must be a problem to even keep corals alive, never mind the colors.