When can we start breeding? The Dang Fin Farm reached a turning point today with the installation of the tubs. But there is still a ways to go with an elaborate plumbing system for circulation, warmth and support of an eco-system that will use waste to stimulate hydroponic plant growth, both inside and outside the tanks. It's a long term project. No fish for now. It's a hobby for retired men, you know. It's this or making puppets.