well, his fish is 13'' so it should be about 1 years old while your fish was a lot smaller! older fish can go without food for a way longer time!OP with 2400+ posts starts a thread about gar with other type fish and not feeding feeders and no flaming, whereas when I say no feeders I get flamed hard
But that aside, just keep trying Water.
It took me a few days from getting the gar to converting to pellets, try the Hikari foodsticks!
Will also be better if you have the gar with other fish that is eating the type of food you are trying to convert to! (I had a small aro, rocket gars and a pike characin that ate foodsticks)
Goodluck mate