
good deal on fixing the leak.
A few others have mentioned so I will just follow up. You really really need a good test kit. Strips and pool store testing varies wildly and just cant be trusted.
A good test kit will be the best investment you can make. The TF100 is what lots of us use here at TFP. Its the best bang for the buck. www.tftestkits.net . The K2006 is about the same as the TF100, but have smaller amounts of test regents, which means you will need refils for it more often. Its also availbe at the link above, as well as other places online.
I took the filter apart, cleaned the seal and both surfaces then generously applied silicon lubricant to the seal. It worked perfectly, not even a drop leaked when I put it back together. Thanks for all the advice, now I need to get the chemistry under control, still going through pool school, great information there.