There are several web sites which sell see through 8oz carts which
you refill from the top back with a small funnel through a small hole
which is then capped. Has anyone had experience with these. Any
problems. It seems it would take care of empty or not empty problems
as well as problems incountered filling regular carts as far as air
etc. Please post and let me know if you have tried these and if you
have ncountered any problems.
John H