coral colour

I have purchased a torch coral around a week ago and it appears to be doing fine. does it look healthy ? photos taken under red sea lights at RL90s - 20k spectrum using a camera filter. It is placed around the mid section of the tank also any tips for increasing colouration ? calc - 425...

Hey guys, I currently have a softie tank and all the corals are doing well. I recently introduced what I think is a kenya tree and it is completely grey and has no colour. I'm wondering if this is just because it is unhealthy and needs to colour up or if that's just the natural colour of the...