Welcome to TONMO, the premier cephalopod interest community. Founded in 2000, we have built a large community of experts, hobbyists and enthusiasts, some of whom come together when we host our biennial conference. To join in on the fun, sign up - it's free! You can also become a Supporter for just $50/year to remove all ads and gain access to our Supporters forum. Follow us on Twitter and Facebook for more cephy goodness.
Do you mean purpose built or just to put together a system. Your local fish store or craigslist is a great source of supply for what you need. Depends on how many you want to keep as to what size your cuttlefish tank will have to be.