Building a display refugium tank - need help

[Subsea]

Architecture is complex and technical. “Form Follows Fuction.

When I graduated from Texas Maritime, I was a member of Naval Architect & Marine Engineer Society.

 

[lapin]

Many so called experts spoute what the group feeds it. Air in Sponges is exaggeration and blog repetition.
To simplify:
All photosynthesis produces DOC. Dissolved organic carbon is complex. Generally speaking, Coral DOC is composed of protein & lipids and DOC in algae is mosty carbohydrates.

I have a question that popped up from my Triton N-DOC test. See my post #9
https://www.reef2reef.com/threads/n-doc-tnb-always-high.576400/#post-6092931
@Lasse, @Subsea