Dennis, Maybe they were spores then, sure looked like lil flower buds developing .. My point was, that his java moss did really well with this CO² set up. Best java moss Ive ever seen. John 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