Green acro turned purple

[tinyfellows]

Two weeks ago I bought a green acro had a purple base with green polyps then the branches were bright green and th polyps were green also. Similar looking to a Bali green slimmer just different growth form. Over the last two weeks all the skin on the branches has turned purple but the polyps stayed green. I’m pretty new to sps is this what people are talking about when they say they can change colors in different tanks?

 

[Jason_MrFrags]

Well typically they are green when they don't get enough light. Unless the coral is just green like slimer

 

[OrionN]

Two weeks ago I bought a green acro had a purple base with green polyps then the branches were bright green and th polyps were green also. Similar looking to a Bali green slimmer just different growth form. Over the last two weeks all the skin on the branches has turned purple but the polyps stayed green. I’m pretty new to sps is this what people are talking about when they say they can change colors in different tanks?

Can you post some pictures? The base color is the color of older corals and of lower light. Tip color are often of new growth color and of higher light level. It is possible that with change tank condition, your coral gets slower in growth, and also maybe it is getting less light now than before.