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    Recommendation For a SWG

    After reading some posts here it looks like I should have switched to SWG a long time ago. I'm not sure Costco would want me to, but it seems like it would make my life a little easier, maybe? Thoughts and recommendations? I had replaced the pump and filter myself a few years ago - is this...
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    Rapid CHanges in pH

    We built this pool in 2003, so I've had 15 years of experience with this. I've noticed over the years that the pH has been very consistent, usually in the 7.6 range. Acid was something I have on hand, but only small amounts were needed. Something has changed recently and I'm askingfor advice...
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    I was told black algae, but...

    I'm pretty certain it isn't. Some history on our pool - the pool was completed in the summer of 2003. The pool is gunite and white plaster. It is roughly about 28,000 gallons. Pool equipment is a Pentair WhisperFlo 2HP pump & Pentair DE 4048 Filter. The deep end is about 8 1/2 feet deep. For...