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    Choosing Hayward T-Cell size

    I have a Hayward T-Cell-9 that seems to be dying. It's showing an incorrect, low salt reading each time the pump starts running for the day. I can correct this temporarily by resetting the value, but it recurs every day. I guess I can't complain as the T-Cell-9 has been in literally daily use...
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    Conduit for iQPUMP01 wire?

    I recently had an iQPUMP01 controller installed. They didn't mount it (at my request), because I wanted it in an enclosure, and that wasn't on the menu. Nor did they encase the wire in conduit or anything. Is it essential to have the wire in conduit? The pump is only a few feet from where the...
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    pH is climbing too quickly...

    I've had my pool for about 14 months. For the first year+, the pH would climb roughly 0.1 per day. So, I would add a little acid every couple/few days to keep it in check. From what I gather, this is normal for a newish plaster pool. But for the past week or so, though, the pH has been climbing...
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    Oops, added too much boric acid

    A couple days ago, I added granular boric acid to my pool, according to what PoolMath advised. Apparently I have overestimated the size of my pool or something, because my AquaChek borate test strips are telling me that my borate level is now at 80 ppm. Not knowing how accurate the AquaChek...
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    Pressure building

    This is no doubt a 101 question, sorry. My pool was installed just last year. The pressure always used to go back down to about 13 PSI when I'd backwash. This year, I can't get it below about 18 PSI. Is this normal? I assume there's junk in there I can't get out with backwashing; just want to be...
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    Accidentally got some Simple Green in my pool...

    I was cleaning my deck and inadvertently got some Simple Green in my pool. Since it was already diluted and spread on the deck when it dripped in along the edge of the pool, I can't say how much actually got in there, but it was not much. My gun-to-the-head guess is at most a couple ounces. My...
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    Minor leak at control valve joint

    I've noticed that I have a pinhole leak at a joint under the sand filter's control valve. It's minor enough that it releases a drop every minute or so. Is this something I can put something over and be done with, or is it going to require a nightmare teardown?
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    Backflow into main water supply?

    Our pool was finished only a few weeks ago. It's an inground, and because we had an existing irrigation system, the installers hooked an auto-filler into the irrigation system plumbing. The irrigation system does have an RPZ (a Febco 860U, I believe) installed. Lately, we've all noticed a...
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    Gritting teeth ... should I worry about my equipment?

    I'm a brand-new pool owner. I've been spending the past few weeks educating myself, in no small part by reading owner's manuals. I have a ~12,000-gallon pool with a Hayward S244S sand filter and a 2-HP Hayward Super Pump. Today, my wife thought it would be a great idea to mess with the plumbing...