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Thread: Downsides to a SWG?

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    Scuba_Steve's Avatar
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    Cool Downsides to a SWG?

    From what I have read, there doesn't seem to be a downside to using a SWG other than initial system cost. Maybe the fact that you need to clean the plates.

    I am looking to buy a SWG for under $100, so initial cost isn't really even a downside.
    http://www.amazon.com/Intex-Saltwate...ct_top?ie=UTF8

    What other downsides are there, if any?

    How long on average will it take for the SWG to pay for itself ($100)? I know, lots of variables, but rough guesstimate.
    6425g Intex Ultraframe 18'x48" AG
    Stock 1500gph cartridge filter / Intex SWG CG-28669 with E.C.O.
    Install date: 5/26/2015
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    Re: Downsides to a SWG?

    Downsides can be:
    1. Increased electricity usage
    2. Salt costs, I usually have to add 2-4 per year.
    3. Salt water is not so good for the environment. When draining pool, backwashing and splash-out. The grass under and downhill from my overflow struggles.
    4. Additional part in the plumbing to cause trouble.

    I can't think of any others. For me, it's not so much for the cost savings but for the convenience.
    Gary
    21k gal SW, IG Gunite PebbleSheen, 1HP Jandy, Jandy 340 filter, Polaris 280, 17' fiberglass slide w/ 2HP pump.

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    Mod Squad YippeeSkippy's Avatar
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    Re: Downsides to a SWG?

    Potential downside could be someone who assumes that the pool is now self-maintaining and they fail to monitor and treat the water as needed until problems arise.
    My Amazon Smile for November12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Our pool build--> Our Pool Solved Our Sloping Yard Skippy's Cheap Pool Cooler -->Skippy's New Fountain

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    Richard320's Avatar
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    Re: Downsides to a SWG?

    For me, it's just one more thing that can break. It's pretty hard to get simpler than pouring bleach out of a jug.

    Running a search on "SWG not producing chlorine" yields a phenomenal amount of threads here.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
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    Mod Squad tim5055's Avatar
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    Re: Downsides to a SWG?

    The main downside I see is kind of a combination of Skippy & Richards comments. SWG are wonderful when they are working. In my opinion you start having issues you usually discover it because your pool is going green. Then there is a short laundry list of "what could be wrong". Power supply, control board issues salt level, and several other issues float to the top.

    I like the tank of bleach sitting next to my Stenner pump. I look at it each day and can see the chlorine level going down. If I'm lazy and skip,a,day testing I've seen that it had had its ration of bleach.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Isaac-1's Avatar
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    Re: Downsides to a SWG?

    Salt Water can also erode soft stone commonly used around pool decks in some parts of the country (Texas comes to mind).
    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
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    Mod Squad pooldv's Avatar
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    Re: Downsides to a SWG?

    I love my SWG. As long as you test regularly and know how to dose with bleach as needed you should be fine. I use bleach when the water is cold and when the FC drops as demand increases due to extra swimming, getting hotter and sunnier, etc while I wait for the SWG to catch up. It is very important not to let the FC fall below the minimum level on the Chlorine CYA Chart. If it does then algae will start growing.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Scuba_Steve's Avatar
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    Re: Downsides to a SWG?

    I went ahead and ordered my SWG. Thanks for the push everyone!
    6425g Intex Ultraframe 18'x48" AG
    Stock 1500gph cartridge filter / Intex SWG CG-28669 with E.C.O.
    Install date: 5/26/2015
    TF-100
    Helpful Links

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    Re: Downsides to a SWG?

    You won't regret it!

    One thing I forgot to mention, @Issac-1 reminded me. The combo of chlorine and salt has been not so kind to my deck fasteners. I've gone through galvanized nails, and two sets of deck screws on my stairs...
    Gary
    21k gal SW, IG Gunite PebbleSheen, 1HP Jandy, Jandy 340 filter, Polaris 280, 17' fiberglass slide w/ 2HP pump.

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