I sorry i forgot to state that i do dose trace which are- 1ml flourish iron 3 x week 1/16 tsp CSM+B 3 x week I am very sorry if this is not the way to reply but this is only my second post. _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://www.actwin.com/mailman/listinfo/aquatic-plants