So I was given this 3gal marineland tank and would like to try to use for a nano or pico. I also have some Kessil A160we's and this water distilling jug our chemistry department was throwing away that I thought could be used as an external sump or refugium. So I'm looking for some input and ideas from you all to get me started on my new working-from-home distraction...

I don't have explosive growth but my Zoanthids add about a head a week and my hammer colony which was originally two heads is now three, splitting off a fourth.

