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    Fiberglass steps staining

    No algae that I know of. I treat at opening and closing. - - - Updated - - - The C tabs seemed to work on the small area I tested. I'm going to order some bulk ascorbic acid from Amazon. Thanks
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    Fiberglass steps staining

    I have some yellow staining on the top couple of treads on my steps and also just above the water line on the steps. I've tried scrubbing it with Off The Wall and it helps a little, but not much. Don't recall having this problem before. Numbers as of Sunday are: Total Chlorine - 5.2 Free...
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    Pump impeller change

    Thanks for your informative answer. That explains a lot. I have a new impeller coming today. Thank goodness for Amazon.
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    Pump impeller change

    Well, what do you know. The old part # is 073126, not 073127 like the manual says. Good call. Either the wrong impeller was installed at Pentair or the manual is wrong. Either way, the impeller I have on there now is what the chart in the manual calls out - 073127 for a 3/4 HP Whisper Flow...
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    Pump impeller change

    I just replaced my pump motor, 3/4" H.P. Century, 56Y frame, and I also ordered new seals and a new impeller. The OEM part # on the impeller is Pentair 073127 and that is what I ordered. When I went to install it, I noticed the new impeller is slightly larger than the old one. I went ahead and...