alk?
Test your Mg...low Mg messes with the Ca (and alk therefore pH) utilization. Also browse Bev's chemistry links, should be some instructions for your situation in one of Farley's articles. Did you have a percipitation event? ie white snow?or heavy build up on your pumps and PH?
Good Luck
__________________
John
its all about quality, not quantity.....
...when in doubt buy a Binford....
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