So I have a used tank and sump. The previous owner had miracle mud in the refugium and it’s clearly last its prime. What’s wrong with it is that my chaeto does not spin at all. If I put a pump in there that could rotate the chaeto then it would surely disturb the miracle mud in there. I have a 2in sand bed. What would happen if I removed that miracle mud? Would I crash my tank? What about my pods? Pictured is my sump and what it looks like empty. It’s a trigger systems 36g w/2 sock holders