Board Thread:Theories and Speculation/@comment-26636534-20200426222432/@comment-45433583-20200428140056

Jason of the Mangekyou wrote: Unlimited refills is kind of like unlimited chakra

Not really. Let's say you have an infinite 100 dollar bill. You can't go beyond the scope of 100 dollars but once you've used some chakra, it instantly regenerates so it isn't unlimited.