Hi everybody. I won't go into detail here for fear of embarassing myself but I have learned the hard way not to use 4+ year old chemicals when testing the pool. I got Dave's TF test kit yesterday and most areas were either higher or lower than I had been accustomed to seeing after testing with Cro-Magnon test kits. Proves the old saying once again... a man is no better than the tools he uses. 
Jim
Jim
