The only possible source was the substrate: laterite and Flourite quite a lot of aluminium silicate. The peat in the substrate creates
-Greg --
Gregory Morin, Ph.D. ~~~~~~~President/CEO~~~~~~~~~~~~~~ Seachem Laboratories, Inc. www.seachem.com 888-SEACHEM ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://www.actwin.com/mailman/listinfo.cgi/aquatic-plants