Some tap water has more nitrates in it than you might expect or desire for drinking purposes. Don't know if that would increase photosynthesis that much or not. > > I have a 110 high with 4x96 pc lighting, co2 on a > pinpoint controller, and I add N, P, K, Flourish, > Flourish Trash, Fe, and Kent Freshwater plant daily. > I have little algae growth and fairly good plant > growth. When I change my water, things go nuts! > There's all kinds of bubbling for the rest of the > day. It's not dissolved gasses coming out of the > water because I can actually see the plants bubbling > like growth bubbling. What could the plants > possibly be getting from the tap that I'm not > adding, and how do I find out what it is? > > Thanks, > > Ron Boyd > > > __________________________________ Do you Yahoo!? Check out the new Yahoo! Front Page. www.yahoo.com _______________________________________________ AGA-Member mailing list AGA-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/aga-member