Reply To: Setting up my breeding tank. Welcome to the website! › Forums › The Celestial Pearl Danio › Breeding › Setting up my breeding tank. › Reply To: Setting up my breeding tank. October 27, 2007 at 11:16 am #12789 maximumbobParticipant I have made up a few dark green spawning mops this morning. I think I’ll have one floating long one at the top, and one smaller one left on the bottom. I might even work a little bit on tidying up those plastic canvas edges as well later on.