I suppose you could hit the junk yard for an extra cap or go to a FLAPS
for a 45mm reservoir cap and modify it for your use.

Mike

Geza Polony wrote:
> I was actually thinking of 5 lbs...whatever the minimum is to make it flow.
>
> Problem now is finding a reservoir cap to modify. Nothing around seems to
> fit.  The carboy plugs don't worke because of the plastic thingy inside the
> reservoir, whatever it is.
>