We use the crystal type and change it about once every week/2 weeks (we have 2 cats, indoor 100% of the time) Some weeks they don't seem to pee as much though? dunno.

Anyhoo - I scoop the poop out daily if I remember or get the chance

Then when cleaning it - I just bin it. Never occurred to me to put the cat poop in the toilet though - thats a new one!!