Why is it snowing in my reef?

[hometown9]

I've done huge water changes and this stuff keeps coming back. Any ideas? Some are moving...cocepods? But the rest are just suspended in the water column. I brushed my power head this morning and this is what came off:

4 new photos by Ryan McAlinden

photos.app.goo.gl

All levels stable - Alk, Calc, Ph, Phos, Nitrate, Mag.

 

[Naturalreef]

Maybe Detritus? Especially if you are blowing off equipment. What kind of flow do you have? More flow allows more detritus to stay suspended for filters/skimmers to trap. If you have plenty of flow, check and make sure your filtration is working correctly. Filter socks/material changed frequently and return pump clean and working.

 

[hometown9]

Definitely lots of live cocepods toward the top, just don't know what everything is below:

https://photos.app.goo.gl/uzpixa1pomwCn4Wj9

 

[Cell]

White particles showing up out of nowhere is likely precipitated calcium.

 

[hometown9]

Don't think so. This stuff is fleshy, almost like mysis exo. All different sizes as well, with not much structure to it.