Tim wrote: >I remove half a cup of salvinia and duck weed every week from all my >tanks. The water lettuce has a large root system and grows at a nice >pace. It starts little plantlets and can get rather large if you let it. >You should try it for filtering, not near as messy as duck weed. > >Tim If you don't know what to do with all those plants you pulled out. I discovered that if I poored hot water over all the excess duckweed, I could use the dead duckweek to feed a daphnia culture. ______________________________________________________