Handy calculator, thanks! On Fri, Jan 8, 2010 at 2:52 PM, Seattle_Aquarist < Seattle_Aquarist@comcast.net> wrote: > Hi Matt, > > I add Baking Soda (NaHCO3) routinely because it seems to help my plant > growth. I try to get in the 3.0 - 4.0 dKH range but if I forget to add > NaHCO3 when doing a water change the KH drops. Here is where I go to > compute how much Baking Soda to add to raise my KH a certain amount based > on > the gallons of water in the tank (not tank size). Typically if a lot needs > to be added I do it gradually over a couple days or so. > > > http://www.dataguru.org/misc/aquarium/CalKH.asp?Gallons=35&KH=3&measure=0&Ba > king+Soda+%28Teaspoons%29=2.69&SKH=&EKH=&pHChange=0.00<http://www.dataguru.org/misc/aquarium/CalKH.asp?Gallons=35&KH=3&measure=0&Ba%0Aking+Soda+%28Teaspoons%29=2.69&SKH=&EKH=&pHChange=0.00> > > Roy > > > > _______________________________________________ > GSAS-Member mailing list > GSAS-Member@thekrib.com > http://lists.thekrib.com/mailman/listinfo/gsas-member > _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member