So I noticed the past few weeks my corals weren't extending as much as usual so I tested my parameters and found out my phosphate was at 0.5 ppm. To fix I I did a full clean and started running gfo in a reactor. I added the recommended amount of gfo and after 48 hours one of my montipora caps is 25% bleached. I guess I used too much gfo to fast? Any suggestion on how to save my montipora?