Maybe I'll just take the cup off my skimmer and let it overflow! That way I still get the oxygen boost without the cleaning side of it for a few days till I see what happens!Scientist I am not but cyno appears for me when nutrients are extremely low and the numbers don't correlate.
My little tank has had cyno, nothing terrible but there for weeks.
I recently turned everything off, reef octo, no sump, nothing.
Running only a HOB filter.
No water changes.
Cyno is leaving and my numbers are looking higher and a little more even.
Have no idea if that makes sense but there is such a thing as too clean.
A little diversity is good too.