What to feed my large frontosas

where can i buy some large singing pellets ive tried to feed them everything they wont eat what do you feed yours these are around 8=10 inch

new life spectrum makes a Ther-A formula that is a 6mm sinking pellet. Also there 3mm Large fish forumla sinks.

glass worms are a good treat for them.

Frontosas are fine for a few weeks without food, so take your time and get them trained up on some larger pellets. Mine ate spirulina 20 pellets and nls thera A