leather toadstool

I have a Red Sea nano max xxl 52 gallons tank. Nano mat and protein skimmer. I bought this coral 5 days ago. The tank is about a month or more old. It seemed very happy the first 3 days and then up to today has been barely extending polyps and shrinking in size. I checked my parameters and...

Literal hole. Some greenish tiny things too best pics i could i barely saw them. I do have cloens that think it is home but eat a toadstool? If you llok in and around very tiny green dots Toadstool has been in my tank long time ...years... have other cuttings from it that look totally fine

My Long Polyp Leather Toadstool seems to be “balding”, any ideas why? The front seems to be fine but the back has a lot of closed polyps. There is not extra flow towards the back or more light. I’m thinking it has to do something with Ammonia which I just added to the tank. Parameters: 8.0pH...