I’m kinda in the same boat you are (no crash though). I have a DOS, a GEO 612 CaRx and my Avast K1 kalk stirrer all on standby for when my tank is ready.
https://www.reef2reef.com/threads/deep-blue-57-edge-ati-acro-garden.566618/
https://www.reef2reef.com/threads/deep-blue-57-edge-ati-acro-garden.566618/