"John Hines" wrote in message
...
snip
Again, I think a VF is a version of a bio filter.

I agree...although it seems like those of us that have VF's refer to them as
VF, and those of us that have buckets full plastic strapping call them bio
filters, so I figured it was safe to generalize. Thanks for clarifying. Your
point is well taken, and anyone that wants to argue need only lift a WH out
of their VF and look at the root mass. *laugh*

A warning though, 6-pack rings are UV degradable.

Thanks.

BV.