Jerry Baker wrote: > The density of 3% H2O2 is about 1,015g/L. Thus, 15mL is 15.22 mg, 3% of Um, make that 15.22 g, not mg. _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://www.actwin.com/mailman/listinfo/aquatic-plants