Polyps receed during daytime?

[freezetyle]

Originally Posted by The Codfather

In some cases, I have had frags that took weeks to finely colour up and get good PE. Try placing it in several locations, might not like the spot it's in. Flow might have some factors as well, I have noticed better polyp extension after I bumped my flow to around 10000 gph, and my tank dimensions are 45" x 30" x 24" high.

I agree with the flow portion. I had a piece that was getting lots of flow polyps were out all of the time. After a position shift, where it was a bit sheltered, has caused it to have very little.