I just did it for the first time about 2 months ago. I blended 1/2 of a small bag of frozen mixed seafood from an asian market, it contained shrimp, octopus, squid, scallops, cooked mussels, and possibly some other stuff, I don't remember exactly. I picked out and didn't use the mussels since they were cooked, the rest was raw. I chopped it by hand first then blended it with some RODI, a sheet or two of nori, a finely minced fresh clove of garlic and some Prime Reef flake food. Stuck it in a ziplock freezer bag, flattened it out and froze it into a big square patty about 1/4" thick. the next day i took it out and chopped it into squares about 1/4 cu". The fish LOVE it! The next time make more (which may be a while because it's lasting so long) I might see if there are any beneficial supplements I can add to it to make it even healthier. Maybe some amino acids or something...