blasto help

I’ve got a blasto that went south I believe due to me about a month or two ago. Since then it’s seems to come back strong on certain heads Do I need to remove the still dead looking ones or is there a chance they will come back also? The ones that have not came back as you can see are browned...

Hello, hoping for some help with my blasto. It had been doing well, but last night showed signs of recession, and over the last couple of hours has progressively gotten worse. I love this coral, so any help would be greatly appreciated. Pics provided. Parameters- Salinity- 1.025 (it was 1.026...