My alk is a little low at 6.7. fresh sw tested 9 when during a water change. I orderd the full shabang from brs 2 part. What should I bring my alk to? I see 9 as a comfortable # but also read that people have it high 7's..
Pick a number you like and stick with it. Mine stays 7-8 and works good for my tank. Many run their tanks higher. 8-10 is a good safe average range.