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Thread: New Pool with Sand & Saltwater system

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    Question New Pool with Sand & Saltwater system

    Hi All,
    How long does it take a salt water pool system to create free chlorine?
    Thank you.
    Intex above ground pool 24' x 12' x 52", Model SF15110 Sand Filter & Saltwater System, Model ECO15110 Pump does 1600 gallons per hour, 8500 gallons

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    Mod Squad tim5055's Avatar
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    Re: New Pool with Sand & Saltwater system

    Welcome to TFP.

    If set up properly it will begin making chlorine immediately, but as it will take a while for it to build up to levels you need, it would be best to "help" by starting at the correct level with liquid chlorine. The SWG just needs to keep up at that point.
    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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    Re: New Pool with Sand & Saltwater system

    Thank you. I was told by Intex not to add Chlorine, however, our pool store that tests our water said to add chlorine and handed me a bag of granulated chlorine. I was worried that the added chlorine could damage the salt water system?
    Thank you
    Intex above ground pool 24' x 12' x 52", Model SF15110 Sand Filter & Saltwater System, Model ECO15110 Pump does 1600 gallons per hour, 8500 gallons

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    Mod Squad tim5055's Avatar
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    Re: New Pool with Sand & Saltwater system

    Well, I'll jut add a little more information.....

    If you have read around here much you have probably seen that not much credence is given to pool store testing. While you would think that a "professional" would be the best, unfortunately in most cases it is quite the opposite. Between employees who blindly trust the word of chemical sales representatives and high school kids working in the pool store for the summer you end up with poor results from their testing. In my case two different pool stores told me my CYA was "fine", around 70 or 80. When I tested myself I found it over 200.

    We teach a completely different method of pool care, and to follow the pool care methods taught here you need to arm yourself with the knowledge and tools necessary to care for your pool.

    The knowledge is condensed in the Pool School link at the top of every page. It is a great community here, but we do ask that you read and try to understand the information being taught. Questions are always welcome and folks will try to direct you and teach you the methods.

    The tools are not limited to the brushes, vacuum hoses and other stuff you use around the pool, but include the most important item - one of the recommended test kits. You can buy a kit at a pool store, but again the pool store kits generally won't cut it. To effectively practice the TFPC methods, the FAS/DPD chlorine test is essential. All these kits contain that test while very few other kits do. Think of it this way, do you see a doctor blindly prescribing drugs without seeing the patient or having tests run? Here at TFP we are going to ask for photos so we can see the condition of the water and are going to ask for a full set of test results.
    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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    Re: New Pool with Sand & Saltwater system

    Hi Tim,
    In reading in the Pool School I fund this -
    If you have a salt water chlorine generator, chlorine tablet dispenser, injection pump, or Liquidator, you will still need to use another chlorine source for SLAMing. All of these devices are designed to add chlorine slowly and steadily over many hours. To kill algae or lower CC, you need to put in lots of chlorine all at once. The SWG, tablet dispenser, injection pump, or Liquidator can be very helpful in the follow up stages to maintain FC at shock level, but for the initial couple of chlorine applications, you need to use another chlorine source.
    What type of chlorine source should I use for our SWG?
    Thank you
    Intex above ground pool 24' x 12' x 52", Model SF15110 Sand Filter & Saltwater System, Model ECO15110 Pump does 1600 gallons per hour, 8500 gallons

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    AimeeH's Avatar
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    Re: New Pool with Sand & Saltwater system

    We would most likely recommend liquid chlorine or plain old unscented bleach but without knowing your CYA level it's hard to say what chlorine level to target until the SWG is keeping up.
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
    http://tftestkits.net/splash-page.html

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    Mod Squad pooldv's Avatar
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    Re: New Pool with Sand & Saltwater system

    I use bleach to help my SWG as needed.
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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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    Re: New Pool with Sand & Saltwater system

    The CYA is 40ppm, SWG needs to be between 70-80ppm.
    Intex above ground pool 24' x 12' x 52", Model SF15110 Sand Filter & Saltwater System, Model ECO15110 Pump does 1600 gallons per hour, 8500 gallons

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