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Thread: Cheap SWG Solutions for DIY?

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    Lightbulb Cheap SWG Solutions for DIY?

    I am looking for an alternative to jug dumping for convenience and going out of town for extended periods of time. However, I am trying to do this for under $500 but the cheaper the better. I've done just a touch of research and here is what I have seen:

    This guy just put DC power to a cell
    . Do people besides this bloke do this?? I'm just guessing it'd take a refurbed cell to produce chlorine, a 24V battery w/ battery charger/maintainer, and a timer or relays from pump. Guestimate of $400.

    This guy went full blown DIY. Could be very inexpensive, and I'm not afraid of the work, but seems like quite a hassle to control or predict chlorine production. Is there any experience in here with going full off-the-reservation SWG?

    Or an option I have considered is actually piece-milling a Hayward system together by buying the individual parts off ebay. The parts look simple (pic of guts)

    Components that I have found:
    Refurbed T-15 ($300)
    Empty AQR Control Box - $100
    Used GLX-PCB-RITE Ctrl Board - $80
    Used GLX-PCB-DSP Display/Switch - $60
    Used GLX-XFMR Transformer - $70
    New GLX-FLO-RP Flow Switch - $35
    ----------------------
    Total ctrl $345 + $300 cell = $645.

    Still not super cheap nor much savings but maybe there's still potential there. I like the idea of having a real system but can't afford the $900 price tag. Perhaps a simpler system is out there. Is there a cheaper or more suitable brand I can dissect in a similar fashion?

    Last option is just using a 10-gal tank with a very small electric pump to slowly dispense ~64oz per day of 8.25% bleach. Price: >$50.

    Thoughts?
    20,000 Gal Vinyl In-ground | Hayward Sandfilter | 1.5HP Hayward Superpump | Polaris 165 (Turtle for In-Ground)

    Liquid 8.25% Bleach: 64oz for $1.39 | South Carolina Heat | Borates: ~50ppm | CYA: ~35ppm

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    Mod Squad pooldv's Avatar
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    Re: Cheap SWG Solutions for DIY?

    The cheapest way to add SWG to a pool is with an Intex saltwater unit. Target and Academy seem to have the best deals usually.
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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: Cheap SWG Solutions for DIY?

    With a 20k I ground pool, I wouldn't consider an Intex unit. Either, keep hauling bleach and setup a pump system to automate its addition to the pool, or spring for a real SWG.

    The Hayward AQR15 that you are suggesting you use as a basis to cobble together a DIY version is an excellent choice. The salt cell represents nearly 1/2 of the cost of the system and there is no savings in cheaping out there. But, you might find a used control unit for next to nothing, since the inflow resistor was prone to failure and most poeple didn't know they could be fixed in 15 min for $2.50. I know a few poeple on the forum bought a whole new control unit vs just fixing the old one. That would leave just having to add a flow switch and the fittings for the install.

    I see used controllers sell on eBay for around $200. So why build one?
    chiefwej
    Tucson, AZ
    16x36 rectangular (19k) Pebble Tec play pool/spa, Pentair Intelliflo VS 011018, Super II 2hp (spa), Aqua Rite T-15 SWG, Pro Grid 60 DE, Hayward H400 & Heliocol Solar heating, A&A infloor system, fill water w/high CH and TA, 50 ppm borates,TF-100 test kit

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    Re: Cheap SWG Solutions for DIY?

    CircuPool® SJ-20 Salt Pool System

    it would be 600 bucks for a 40k SWG, mine has worked awesome it is a little more but you would get a 7 year prorated warranty even if you install yourself Fixing a Hayward unit would still be cheaper though..
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
    links: pool school * Recommended-Levels * SLAM * CYA chart * Test kits * How To Post Pictures * Poolmath * OCLT ** Support your website if we helped you :) **

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    Re: Cheap SWG Solutions for DIY?

    Quote Originally Posted by pooldv View Post
    The cheapest way to add SWG to a pool is with an Intex saltwater unit. Target and Academy seem to have the best deals usually.
    If you go this direction chiefwej is probably right that it will be undersized and I wouldn't want one on a 1.5HP pump. However since you seem to be up for some tinkering you could install a pair of these in parallel and run them at the same time. I have heard of this done years ago by a member of the site and he seemed happy with the results. One significant downside is that they are built down to a price. They are designed to run for X number of hours in a 24 hour period. You can't adjust the run percentage, they always run at 100%. You turn it on, set the number of hours, it runs, goes to sleep mode. Very limited options with them but certainly sounds like a better option than wiring a battery to a loose cell.
    JD - 28' Round Above Ground Pool, 17,000 Gallons. Dual speed Jacuzzi pump with cartridge filter. Dual speed 1 HP pump, Hayward S210T sand filter
    Pool School - PoolMath - HIGHLY Recommended Test Kits

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    Re: Cheap SWG Solutions for DIY?

    Quote Originally Posted by chiefwej View Post
    With a 20k I ground pool, I wouldn't consider an Intex unit. Either, keep hauling bleach and setup a pump system to automate its addition to the pool, or spring for a real SWG.

    The Hayward AQR15 that you are suggesting you use as a basis to cobble together a DIY version is an excellent choice. The salt cell represents nearly 1/2 of the cost of the system and there is no savings in cheaping out there. But, you might find a used control unit for next to nothing, since the inflow resistor was prone to failure and most poeple didn't know they could be fixed in 15 min for $2.50. I know a few poeple on the forum bought a whole new control unit vs just fixing the old one. That would leave just having to add a flow switch and the fittings for the install.

    I see used controllers sell on eBay for around $200. So why build one?
    Thanks for the response - I went on ebay and found a used controller Aqua Rite controller for $185+$25 shipping. The seller got it at an estate sell and was told it was working but is offering a hassel free return if it doesn't. I also negotiated the price down to $185 delivered. So I hope to be getting a working control for under $200! This appears to be the model that works with a T-15. Is there any way to know? Here is the link

    I also had a few beers last night and went ahead with a new pump - went with the Hayward SP2302VSP for $640. Is there a problem running a T-cell on high-efficiency mode?
    20,000 Gal Vinyl In-ground | Hayward Sandfilter | 1.5HP Hayward Superpump | Polaris 165 (Turtle for In-Ground)

    Liquid 8.25% Bleach: 64oz for $1.39 | South Carolina Heat | Borates: ~50ppm | CYA: ~35ppm

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    Re: Cheap SWG Solutions for DIY?

    That looks like the same vintage as mine. The older software version 1.4 works only with the T15 cell. The software version will read on the control panel when the unit is powered up, but I don't know any other way to tell. A VS pump allows you to dial in the most efficient speed that will operate the flow switch. Mine operates at 1200 rpm, but I set it at 1400 just to have a little cushion for when the filter gets dirty. Having a variable speed pump with a SWG is a perfect combination.
    chiefwej
    Tucson, AZ
    16x36 rectangular (19k) Pebble Tec play pool/spa, Pentair Intelliflo VS 011018, Super II 2hp (spa), Aqua Rite T-15 SWG, Pro Grid 60 DE, Hayward H400 & Heliocol Solar heating, A&A infloor system, fill water w/high CH and TA, 50 ppm borates,TF-100 test kit

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    Mod Squad pooldv's Avatar
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    Re: Cheap SWG Solutions for DIY?

    +1 to VS pump on low with your SWG. Mine runs at 1100 rpm and only uses 150 watts and makes chlorine and skims great.
    TFP Moderator
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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: Cheap SWG Solutions for DIY?

    Quote Originally Posted by chiefwej View Post
    That looks like the same vintage as mine. The older software version 1.4 works only with the T15 cell. The software version will read on the control panel when the unit is powered up, but I don't know any other way to tell. A VS pump allows you to dial in the most efficient speed that will operate the flow switch. Mine operates at 1200 rpm, but I set it at 1400 just to have a little cushion for when the filter gets dirty. Having a variable speed pump with a SWG is a perfect combination.
    Great information about finding the switch point of the flow switch - I will test around on my system. It'd be nice if it was a little lower rpm, but I suppose there is a reason. I suppose they want enough flow to prevent heat damage on the cell?

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    Re: Cheap SWG Solutions for DIY?

    i bought my aqr15 on ebay for about 450 with best offer last month just keep searching for deals, you can do it cheaper than brand new.
    19K IG Pebbletec with attached spa. 60sqft Cartridge filter, Intelliflow VS, 399k BTU Gas Heater, Pentair IC40. Phoenix, AZ, full sun.

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    Re: Cheap SWG Solutions for DIY?

    Great info and ideas from this thread.

    I also started looking into DIY but it is something similar with what hleapha did. It is difficult to find Aqua Rite controllers (only) on ebay for a reasonable price. So I am looking into building a controller box from parts.
    For other owners of Aqua Rite, what are the measurements of the controller box? I am looking into getting a metal box (electric) and use it instead of the original box.

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