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Thread: Difference between AG and IG filters?

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    Default Re: Difference between AG and IG filters?

    Thanks for the insight. It seems like to get a larger size you pretty much have to go with an "inground filter". I'm just trying for a happy medium, don't want to over work my pump, yet don't want to have to clean it all the time either. I am thinking either the c751 at 75 sq ft. or c900 which is 90 sq ft. Hm decisions decisions.
    18' round 7.5K gal AG vinyl pool; bleach; Hayward C900 cartridge filter; Hayward Power Flo Matrix 3/4HP pump; hrs; HTH 6-way test kit
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    Default Re: Difference between AG and IG filters?

    AG filters tend to come in combo units with the pump where as the IG filters do not and there definitely IS a difference between an AG pump and an IG pump due to priming but really there is not much of a difference in the filters other than perhaps size. AG cartridge filters tend to come in sizes below 200 sq-ft where as IG filters come in all sizes up to 525 sq-ft.

    So if you are shopping for a AG combo unit (filter and pump), then I would target the 100 sq-ft size or larger for that size pool. More specifically, because the way they match the filter and pump, I would suggest the Pentair PNCC0150OF216.
    Mark
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    Default Re: Difference between AG and IG filters?

    I have an AG pool with an inground pump and it works just fine. 27ft AG, approx. 19,300 gallons. My pump is an inground 1/2 hp fullrated pump. It is self-priming, which I love! I've had it for several years and have been very satisfied with the performance.

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    Default Re: Difference between AG and IG filters?

    Thank you Mark, that is what I wanted clarification on.
    18' round 7.5K gal AG vinyl pool; bleach; Hayward C900 cartridge filter; Hayward Power Flo Matrix 3/4HP pump; hrs; HTH 6-way test kit
    ; community; PF:16

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    Default Re: Difference between AG and IG filters?

    I purchased a hayward c900 cart filter and it should be here in 1-2 days. Hopefully we won't have any trouble installing it. Seems like a fair match up for my 50-60 gpm pump. I am still going to keep my sand filter as a back up in case of a dirty pool emergency. If I can figure out some where to hide it nearby.

    Do you just store them with the sand in it? If it doesn't have any algae in it when I store it, nothing funky should grow in there, right?
    18' round 7.5K gal AG vinyl pool; bleach; Hayward C900 cartridge filter; Hayward Power Flo Matrix 3/4HP pump; hrs; HTH 6-way test kit
    ; community; PF:16

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