Yea I use a thawed mix too for my main tank and thats what I fed the babies with also for the first few weeks but noticed that they would only pick at a few things from the mix so I decided to test one at a time to see what they were picking out from the mix to lessen pollution; it was the mysis! Im gonna try shutting off the pumps for a while and see if the pods come out to play, good idea, ive got tons of them.