I found this post - video, by @ash9965 in the General Invert Forum very inspiring.
Its a permanent thriving population of artemia (brine shrimp) living in the entire system.
Decided to give it a go myself.
Check especially at 5:49 when he shines his torch in his tank
This https://www.thesprucepets.com/what-do-corals-eat-2924017 is a good read to go with it.
From what I've seen, you replaced pods with brine shrimp.