Quote Originally Posted by PatL34
Have you checked your Alk during all this time, if not you need to bring up to 100 ppm slowly as CarlD mentions above. I think that is why your pH keeps dropping.

Pat
Yes, it has been at 50 from the start. whatever is causing the pH to drop I'm sure is having an easier time doing so because of the low Alk but I don't think the Alk itself is responsible for the drop. I am testing after each 2lbs of BS.