possible bleaching

Hi there! Yesterday a friend of mine dropped by with a couple of coral frags for me. One frag was a kenya tree and the other frag was some sort of cyphastrea. I placed the cyphastrea in the tank but I don't believe its in the right spot. It appears to bleaching! I have a feeling it may be...

I just got a green and purple branching hammer at my lfs 2 days ago. They have good quality coral so I do not think I am just getting a trash frag. The hammer has 2 small heads and is only about a inch or two. I put it in my sand bed to acclimate it for about a week. However, a day after I got...