Detritus on sandbed

[BGJames]

Hi guys,

 

I keep getting this build up on detritus looking stuff building up on my sandbed. Its building up in the low flow areas of the tank (I will add more flow) but Im curious as to what it is. Ive only got 2 clowns, a hermit and a turbo snail. Is it just poo or something else? Tia

[Tautoo]

Mostly made up of Fish/Snail poop and uneaten food.  Hard to get enough flow to keep it all moving, and not blast your sand around.  I just vacuum my low flow corner out when I do my weekly water changes.

[Murphs_Reef]

Vacuum it up and don't worry about what it is.  Increase flow if you can to keep it up top in the water column 👍🏼