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Thread: SWG to Chlorine injection - Making the Switch

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    wmwinn's Avatar
    Join Date
    Jul 2012
    Albuquerque, NM

    SWG to Chlorine injection - Making the Switch

    I've been on the saltwater bandwagon for the last 11 years. My second salt cell is dying now, and would like to consider the DIY Stenner pump and bleach injection methodology.

    Here's a question for any other SWG to Stenner converters:

    1) Did you see an decrease in the amount of MA added since leaving SWG? I'm hoping for reduced pH variability without SWG cell aeration / bubbling.

    2) If you have an automatic cover, do you consider the absence of salt an advantage over the long term? There are some signs of hardware corrosion / rusting that might be due to presence of salt.

    Thanks for any guidance from the fine folks at TFP!!
    - Mark -
    Inground gunite 34x28 sport pool (24,300 gal)
    Hayward T-Cell-15 SWG, Solar heating
    Hayward sand filter, automatic cover
    Muriatic acid injection using fish tank peristaltic pump

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: SWG to Chlorine injection - Making the Switch

    1) Yes, PH drift will slow down when the aeration from the SWG is removed. However how much of a difference that makes to you greatly depends on what other sources of aeration there are in your pool.
    2) There is always salt in the water, even if you never add any. Lower salt levels can slow corrosion, especially of aluminum in direct contact with the water. However, there are other ways to prevent this corrosion, such as a zinc anode, that work even when salt is used.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    TFP Guide

    laceygirl's Avatar
    Join Date
    Dec 2013
    Canberra Australia

    Re: SWG to Chlorine injection - Making the Switch

    Hi there, I love my Stenner pump.... Just putting that out there...
    Intex Rectangle 18 x 9 x 52', 4544 gallon (18000 litres), 0.75 hp pool pump, 100 sqft Zodiac Titan Cartridge Filter - 40mm, Stenner Peristaltic Pump chlorine injection system, Intex Over The Wall Skimmer, Intex Fittings with 40mm plumbing Lil Patch Of Heaven. Build/Construction

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