When to start refugim?

[Notsolostfish]

My tank is 4 years old. The cycle is done i have 2 dawrin clowns. 1 skunk cleaner shrimp, and snails and hermits. Any idea when i would be able to start my refugim? My nitrate is 14.5.

 

[SlugSnorter]

whenever you'd like, just don't go crazy, start with a very amount of macro.

 

[s70]

I had the same question.
Should I quarantine the chaeto? I’m