Hal said:

Fish keeping is best
done in water between pH 6 and pH 9.

I was going by a book that gave 6.8 to 7.6 as the range.

Without a total alkalinity reading (KH) of about 100 ppm pH readings
can become meaningless and the wild pH swings may kill fish.

The alkalinity measured at about 250 ppm.



Dave
http://members.tripod.com/~VideoDave