I've been keeping this pair of maroon clown fish for nearly a decade. It all started with a hand me down 3 feet tank, after which I down graded to a small The 12g nano tank works fine but the electronics was breaking down plus it was near impossible to keep the water temp low. Thus after some research, I decided to go for Brief equipment list as follow: Aquabee 2000 - Return Pump Maxspect G2 60w + Lens Kit Bubble Magus NAC3.5 Cone Insump skimmer Vortech MP10es W 2 x DC Fan