It's a 125g. I'm not sure what the ice rock is called; I think it's some kind of quartz. I feed a mixture of different pellets and flakes soaked in liquid vitamins.
There are about 30 large peacocks in there plus some small ones. I'm going to change some out, add a few more, and probably end up with around 40. I'm not a big fan of these big tanks with only 10 fish in them. I am running a large wet dry with a Fluval 305 and an in tank Fluval 4 for water polishing. Ammonia and nitrites are 0.