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Thread: What to look for in a filter?

  1. Back To Top    #1

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    What to look for in a filter?

    Hi all,

    I'm looking to change all of my pool hardware and one of the things on the list is a filter.

    The pool shop has recommended and quoted me on a Zodiac/Jandy CV460 Cartridge Filter but I'm wondering if a AstralPool Viron CL400 or CL600 is better or just "different". I don't see any details on the quality of filtration to be able to compare:

    http://www.zodiac.com.au/cs-cv-cartridge-pool-filters - for the Zodiac one. $1393 + Inst.
    http://www.alliancepoolstores.com.au/Pool-Filters - for the AstralPool Viron one. $2129 + Inst.

    Or should I be considering some other recommended brands?

    Regards,
    Dave.
    55,000L outdoor IG concrete plaster pool (14530 gal) - built in 1980 refurbished in 2007. Astral eQuilibrium 3 with pH & Orp, Viron eVo p320 pump, Cantabric C320 filter with glass, FlowVis Flow Filter. Taylor K2006C test kit.

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    Isaac-1's Avatar
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    Re: What to look for in a filter?

    I can't comment too much on those specific models, I have never heard much of Astral, they are not big in the US anyway, and Jandy is probably the 3rd most popular brand here, but does seem to make good products, I currently have a Jandy pump.. As to the difference the CL 600 looks to be about 1/3 larger than the CL 400. As to prices, OUCH...

    Is there any reason you are switching away from a sand filter? (sand filters seem much cheaper on that link you provided) Common reason to switch from sand to cartridge filters is usually to either conserve water, or due to water discharge limitations.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
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  3. Back To Top    #3

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    Re: What to look for in a filter?

    Hi Isaac,

    Thanks for the reply, I was more meaning the difference between the Jandy and Astral filters rather than the difference between the CL400 and CL600.

    I have a few reasons for changing from the current sand filter.

    1. It is very old and it's winter right now, so getting somebody to work on our pool gear should be relatively easy. However if dies during summer then it may take more time to replace. I was also told that parts for it are very expensive (they sold some part recently for $700 to somebody).
    2. There is no gauge or anything to tell me how much pressure there is, which means that I would probably be backwashing more often than I really need to just to be safe.
    3. Nothing seems to be water efficient in our new house (which is about 35 years old) and the last water bill was quite high and I presume that backwashing contributed somewhat. We'll be living here for many years so I was wanting something that will reduce our expenses over time.

    Cheers,
    Dave.
    55,000L outdoor IG concrete plaster pool (14530 gal) - built in 1980 refurbished in 2007. Astral eQuilibrium 3 with pH & Orp, Viron eVo p320 pump, Cantabric C320 filter with glass, FlowVis Flow Filter. Taylor K2006C test kit.

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    Isaac-1's Avatar
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    Re: What to look for in a filter?

    How often are you backwashing now? If it is very frequently that may be a sign that you have an under sized sand filter.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
    ~Remember TFP counts on your donations to keep this site ad free~

  5. Back To Top    #5
    sargent's Avatar
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    Re: What to look for in a filter?

    I am not at all familiar with the AstralPool filter, but It's my guess that you will find there is not much difference between that and the Jandy filter.

    You could try the Hayward SwimClear or the Pentair Clean and Clear Plus. In America they tend to be a little less expensive than the Jandy filters, but I think they are all equal in quality. I am very happy with my Hayward model C3030. It would be a great size for your pool.
    14k gal IG vinyl, Jandy Flopro 1 hp up-rated, 2 spd pump, Hayward 325 sq ft cartridge filter, Circupool Si-40 SWCG

  6. Back To Top    #6

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    Re: What to look for in a filter?

    We've been living here for almost a month and I've backwashed twice. My pool doesn't get ridiculously dirty - but it currently doesn't have a cover and it does get some leaves etc on windy days etc. I guess I'm currently just feeling my way on what to/not to do so doing it twice within that period was probably been an overkill. Although not having any gauge seems a bit hit and miss on when to do it.

    I'll check out those other filters / brands and see if they're available locally etc, thanks Sargent.
    55,000L outdoor IG concrete plaster pool (14530 gal) - built in 1980 refurbished in 2007. Astral eQuilibrium 3 with pH & Orp, Viron eVo p320 pump, Cantabric C320 filter with glass, FlowVis Flow Filter. Taylor K2006C test kit.

  7. Back To Top    #7

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    Re: What to look for in a filter?

    Hi Dave,

    I've been reading through some old threads trying to find answer to my own problem - replacement of the cartridge filter.
    I am also looking at Virson and Zodiac Cartridge filters. Just wondering which one you went with?
    Is it worth spending the extra on Viron?

    Thanks
    Vlad

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