I've had my Biocube 32 set up for over 2 years now with many ups and downs along the way. I have recently got more disciplined about my water changes, testing parameters, and getting it back on track. I have the In Tank media basket with mechanical and biological filtration and a skimmer in the second chamber. I added some chaeto to the bottom section of the media basket this week along with a small 12 watt refugium light. My goal is to be able to keep nitrates below 10 ppm and phosphate under 0.1 with 10% weekly water changes, which has been a struggle. I also upgraded to an AI Prime 16HD Reef light with the Kraken lid (with evaporation cover). I have seen some good coloration and expansion of most of my existing corals when I made the switch and some corals that I was sure were goners are coming back from almost nothing, including entrusting montipora. However a couple corals do no look great and a couple new ones have either died (Stylophora) or look to be on the way out (Montipora digitata). The stylophora that's been in there for years is doing great. I have the light set to the BRS recommended settings at 70% intensity. I'm going to ramp it up to 80% over the next 30 days in acclimation mode. Besides keeping up with water changes and parameters; what else could I do to help the new corals out? Or is this just a case where they may not take to my parameters and not make it despite my best efforts? I'll attach a video and pictures to this post.
Video
Video