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Thread: hot tub filter cleaning/replacement

  1. Back To Top    #1

    Join Date
    Jul 2012
    Herndon, VA

    hot tub filter cleaning/replacement

    What are suggested timelines for cleaning and replacing hot tub filters?

    Links to or info on best practices?
    8,000 gallon, in ground, fiberglass pool with a cartridge filter.

  2. Back To Top    #2

    Join Date
    Mar 2007
    San Rafael, CA USA

    Re: hot tub filter cleaning/replacement

    For cleaning, it's like pools in that it's when needed. For most spas, you need to check the filter weekly if you use the spa regularly. That's mostly because the filters tend to be small. Just check weekly until you get an idea for how dirty they get and how quickly -- you might be able to only clean them once every 2 weeks or once a month if the spa isn't used much, maybe longer. As for replacing them, that too depends on usage and is mostly determined by visual inspection for tears or general wear. This quick cleaning is just a quick rinse. Every few months (or longer if the spa isn't used heavily) you can do a deeper cleaning of the filter soaking them overnight in TSP or detergent. Instructions are similar to pool filters as described in Cleaning a Cartridge Filter.
    16,000 gallon outdoor in-ground 16'x32' plaster pool; Pentair Intelliflo VF pump; Pentair IntelliTouch i9+3s control system; Jandy CL-340 square foot cartridge filter
    12 Fafco solar panels; Purex Triton PowerMax 250 natural gas heater (200,000 BTU/hr output); automatic electric pool safety cover; 4-wheel pressure-side "The Pool Cleaner"

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