>From: stevensj at calshp_cals.wisc.edu >Date: Wed, 24 May 95 11:09:57 CDT >So ... the moral of the story is: CAUTION when adding extra CO2 or changing >the delivery method: monitor pH for several hours afterward & be prepared >to add baking soda if necessary. Definitely, especially when you have soft water (KH < 4 dH) ! This is why some people use the pH controller with their CO2 injection on the first place. Hardjono