" writes:
DID THE OP PUT ACID DOWN THE DIP TUBE? Its the pipe standing up in the
tank with a small water line running to it.....

Yes did both.

pouring acid just in the tank will accomplish nothing the bowl rim
interior passages are what clogs.

if you flush every time with a bucket does the trouble disappear?

No - bucket flushing didn't help

if so the interior passages are clogged.

while you had the toilet removed did you try dumping buckets of water
down the open drain line?

No, but the toilet flushes vigorously when there are no solids (I
guess to test I should have taken a dump directly into the open drain
line and poured a bucket of water down

thats a important test to know if the problem is down stream