problems with millaporas

[MitchM]

Your lighting is good, your flow is possibly sufficient, depends on how you have it arranged.
More water flow would be good. Flow is more important than lighting for corals.

I would be concerned that maybe you have some alleopathy (chemical warfare) going on, and with very few water changes plus no carbon, any new corals will have a hard time adapting.
Rowaphos can be hard on sps if you're using too much. How much are you using, and have you always used it?
The pictures might help a bit more.

[Amadod2]

i been using it for three months or so, i never used carbon, is it better??

[sumpfinfishe]

I would also lean to the above replys, i use to keep millis and there a pretty hardy coral, after fragging i would simply stick them into holes in lr and they would grow like weeds. They do like lots of flow as they need lots of calcium, but more importantly to keep there tiny polyps clean of debris such as fine sand or mucus from nearby corals. I found a big difference in lps and sps overall health if my Ca was at 420 or higher, at 400 i found growth rates to be much slower-jmo

[MitchM]

Originally Posted by Amadod2

i been using it for three months or so, i never used carbon, is it better??

Activated carbon and Rowaphos (or any granular ferric oxide product) have different purposes.
Activated carbon will remove organic pollutants and Rowaphos will reduce your phosphate level.

[Amadod2]

what is a good carbon to use and how is it used?