ric, month after month its been getting worse this summer, hopefully w/ cooler weather and some rain she'l perk up.
and to keep this on track some....scott69, before my pH meter broke i was tracking surface pH on my lady....here's a graph i made:

despite briefly breaking the 10 barrier, the fish were fine and fortunately it dropped to more reasonable levels. the meter was calibrated and samples were measured at the same time every day so i have to assume these were fairly accurate data.