I've heard of them and know of people who have used them, but I've only used fresh bugs. I have a huge roach colony and supers (I have 5 adult beardies) so I have bugs for them for life. A roach colony is easy to set up & very worth having.
I just set Swordtail's timer for his bath and paused it so I could actually fill his soaking bowl up and he crawled over my phone and canceled the timer
Mirage came out of brumation on April 26. He was doing great. On May 2 he started acting funny. We just redid his tank, and he keeps going into one of his hides. He just lays there. He shows no intrest in food. HELP!