Originally Posted by TankGirl
They seem like a great system to me, as long as they are big enough for your goldfish, which I think would be 37 or 38L per fish. I don't know if these are available in the US. Anyone else have one?
I got one. You can get them in the US through WalMart.com for 90 bucks + s/h. Much cheaper than elsewhere, even eBay (look for yourself!).
Always glad to spread the word about biOrbs.