All mandarins will eat frozen and pellets. They are poor competitors for food, however and feeding the aquarium once or even twice a day would not be sufficient to properly maintain them in the long term..
I cant remember exactly where the article was but there was a fellow who had his mandarins eating pellets and in order to save them from their other fishy competition he put a jar of pellets in a corner that the mandarins would frequent. The opening was large enough to let them in but far to small to let the larger fish in so the mandarins could eat competition free to their heats content.
In reading the Algae Barn Mandarin you get more than a Mandarin for $80
https://www.algaebarn.com/product/biota-captive-bred-green-mandarin/
I must be a fish keeping god among men because I've had a Mandarin for over a year without any problem. I have a ton of pods and he just started eating frozen food. Fat and happy. I don't understand people who have mature tanks not being able to keep a Mandarin.
You do realize how small pods can be? Most you won't see but the mandarin can.Some tanks just can't get pods going. I have a 180 with a fudge and lots of rock and never see pods on my glass