P picine New Reefer Rating - 0% 0 0 0 Mar 29, 2003 #1 I have a situation where the alkalinity is very high (about 6meq), but the pH is low(7.5). what could be going on?
I have a situation where the alkalinity is very high (about 6meq), but the pH is low(7.5). what could be going on?
R randy holmes-farley Advanced Reefer Location Arlington, MA Rating - 0% 0 0 0 Mar 30, 2003 #2 The likely explanations are: 1. A measurement error of some sort 2. The tank and/or home has a great elevation of CO2. Elevated indoor CO2 or too much CO2 from a CaCO3/CO2 reactor can do this. 3. The alkalinity is coming largely from borate (as in Seachem salt mix) and not carbonate alkalinity. This article describes the realtionship between pH and alkalinity: http://www.advancedaquarist.com/issues/may2002/chem.htm
The likely explanations are: 1. A measurement error of some sort 2. The tank and/or home has a great elevation of CO2. Elevated indoor CO2 or too much CO2 from a CaCO3/CO2 reactor can do this. 3. The alkalinity is coming largely from borate (as in Seachem salt mix) and not carbonate alkalinity. This article describes the realtionship between pH and alkalinity: http://www.advancedaquarist.com/issues/may2002/chem.htm
