Well, I was reading through some of that stuff Steev posted and I thought this article about algae was fascinating: http://koiclubsandiego.org/library/green_water.php<http://koiclubsandiegoorg/library/green_water.php> See what you think! I myself find it hard to argue with his logic, and logical experiments. How is the filtration set up on your pond Clay? Connie _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member