Cycling question

[Dmat21]

Do I need refugium and skimmer setup in the sump when I cycle the tank? when?

 

[lazycouch]

Do I need refugium and skimmer setup in the sump when I cycle the tank? when?

after cycle is complete

 

[Luke’s reef]

No, better yet its best not to have them. One the skimmer will only be overflowing due to the lack of anything to pull out, and the refugium will not help the cycle but rather slow it down as it uses the nutrients your tank needs to complete the cycle.