Tom recently advised me on dosing individual amounts ofKN03, KH2P04 , K2S04 and trace mix. The trace mix suggested was 10 mls x 2 weekly. My trace mix is a powdered form. Is there a formula for mixing the powder with water? Rick _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://www.actwin.com/mailman/listinfo.cgi/aquatic-plants