I've found stubborn "tuft algae" to die off very readily if you squirt Seachem's "Excel" directly on the affected area. Of course, you must keep in mind that you don't want to over treat your tank with Excel, so just do it sparingly. A little squirted directly on the algae infested area every other day or so should do it. Good luck. With regard to fish and the stuff--I've found Dwarf Gourami's, of all fish, are wild for it! At least mine were... _______________________________________________ AGA-Member mailing list AGA-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/aga-member