cutteri fry dieing!!!!

That may be it but not sure. Does it look like swim bladder? Maybe if you can get a video with a close up of the fry, it can help. I'm not a fan of flakes as it can cause dropsy and swim bladder and haven't fed my fish any since I first started out so can't help you out there.
could they eat a pea thats blanched?
I'd look for some smaller/finer food to feed your fry.

ok ill feed them hikari first bites but theyre pretty big.
 
ok so another symptom is theyre breathing heavily. im about to test params. i wonder if ive killed any bacteria when i put the declorinator in first and then poor water in?
 
they eat im pretty sure since i just feed them and they looked like they were eating. i do water changes daily.

Do you vacuum the bottom or at least clean it every water change?
 
Do you vacuum the bottom or at least clean it every water change?
yea i take the top off the vacume and only use the hose and get as much as i can out. ive got another one dieing right now, and apparently i didnt count right. ill have 5 after this one dies. i think. they hide so good under the pvc pipe.
 
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