The red worms are the larvae of the black fly, which looks like an oversize
mosquito. It doesn't bite, eats mosquitos, so not a problem.
--
RichToyBox
http://www.geocities.com/richtoybox/index.html

"brian" wrote in message
...
Pond healthy, oxygenation fine, ph fine, fish lively, in fact water is
great
but in my filtration chambers and in the filters sponges themselves there
are hundreds of little red worms approx 0.5mm in diameter and 10mm long.
What are they, should I be worried?