KC I've heard of sticking windowscreen in for the bloodworms to build their tunnels on...then rinsing the tunnels away with water pressure...say a hose. Join the AKA at http://www.aka.org/aka/modules/content/index.php?id=9. Archives are at http://fins.actwin.com/killietalk/ Modify your subscription at http://www.actwin.com/mailman/listinfo.cgi/killietalk