Red Goniopora care/placement help

[Mark9]

I've had this red goniopora for 6 months or so, middle, bottom of tank.
Basically been in the same spot all this time.
I've noticed that it's not as red as it used to be.
It has great polyp extension and has increased in size, just not as colorful as it once was.
I guess it's getting too much light?
As it's already on the bottom, I have 2 choices, move it left or right, under the stylo.
But, i'm not convinced that light is the issue, as i've read that these corals like alot of light.
So, could it be something else?
Any tips from the goniopora experts?

params
6 bulb T5 lighting, ca/kh/mg typically 430/8.4/1350, temp 79-81, ph 8.25, sg 1.026.
15% wc every 2 weeks

recent picture

picture from 4? months ago

 

[Tahoe61]

I keep mine off the side not directly under the fixture ( Hydra LED). They are pretty hardy corals, I would move it off to the side. It will takes weeks or more to see an improvement in color.

Beautiful tank BTW. :-)

 

[Jgomez324]

I always found I got more color with low light. I shaded mine under a sps colony.