On Wed, 2 Jan 2008 20:34:30 CST, Kurt
wrote:

I was thinking about it being one big veggie filter with lots of
Hyacinth, etc. Water enters and leaves on top. My last one wasn't
covered - just looked like a small pond.

Sounds good! I hope you have the results you want. I like plants and
keep trying to have a plant pond with clear water and no debris on the
bottom, but so far it is a plan that includes a shop vac once in a
while. Some people get by with once a year cleaning, I'm still
looking for that.
--
Hal Middle Georgia, Zone 8
http://tinyurl.com/2fxzcb