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Thread: Liquidator vs. Stenner

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    Liquidator vs. Stenner

    Moderator comment: This post was separated out from this thread: Liquid Chlorine Feeder Options

    I realize that this post is over 6 six years old.

    Are you still using the liquidator? I've read that you should always add chlorine after the heater and it seems that the way the liquidator is piped that it's adding the chlorine before it goes into the pump. It seems like that would shorten the life of the variable speed pumps, gas heater and heat pump.

    The product is still sold, was wondering if you were experiencing any issues since you started using it.

    The product certainly looks like a good way to add chlorine throughout the day without upping the CYA in the pool.

    Thanks
    16.4K gal, IG Pebble Sheen, 2 X 2.7 Jandy HPPlus VS pumps, 580 sq ft Jandy cartridge, ozone, completed 4/2016, iAquaLink, Dolphin M500, Lamotte WaterLink Spin and Taylor K-2006 (to verify WaterLink), Jandy 400K JXi Heater, Jandy Nature Fusion 2 with 3" TriChlor tablets

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    Re: Liquid Chlorine Feeder Options

    I'd like to know as well. Tp be frank, I'm not convinced that the SWG system is worth the cost based on replacement of the cell- I have gone through my second cell in 6 years. Surely there's a way to automate liquid chlorination in a cheaper way...?

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    Re: Liquid Chlorine Feeder Options

    +1 - I would also like to know if the comparative findings for the Liquidator vs SWG hold up. I imagine the SWG to be an expensive upgrade. I'm hoping the liquidator installation to be much more reasonable but someone please advise. If you use calcium-free liquid chlorine wouldn't that take care of the problem with calcium buildup?
    -KP
    Specs:
    IG Pool, ~20,000 gallons, re-plastered in 2015.
    1.5" plumbing, single drain/skimmer.
    Pentair Intelliflo 2 VST Pump, Clean & Clear 420 Cartridge Filter

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    Mod Squad pooldv's Avatar
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    Re: Liquidator vs. Stenner

    All liquid chlorine/bleach is calcium free. It is all differing percentages of sodium hypochlorite which is salt, water and chlorine.

    There have been numerous discussions over the years on cost of swg vs cost of liquid chlorine/bleach and it is generally viewed to be approximately the same cost. And that is without factoring the cost of a liquid dispensing system. Another advantage of swg is that you don't have to buy, haul and fill up your chlorine tank.
    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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    Mod Squad tim5055's Avatar
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    Re: Liquidator vs. Stenner

    Well, I just noticed this "hijack" post and a couple of add on questions. It's often fruitless to ask questions on old posts as the original posters are seldom still around to answer.

    So -

    I have a Stenner pump. To be honest I keep my FC well above the "target" for my pool so I know I'm getting more loss than I probably need to be getting. In the past other TFP members have calculated that the cost of a SWCG and replacement cells as needed is fairly even with the cost of a Stenner plus the ongoing addition of liquid chlorine (in my case bleach from WalMart). I have a 15 gallon tank, but if you figure the suction pick up space in he bottom of the tank, only about 14 gallons is usable. I fill it about every two weeks. it's not empty, it just happens that I'm willing to put up with a visit to WalMart about that often.

    I have never had a Liquidtor, but most problems I have seen with it are due to the use of variable speed pumps. Changing the pump speed changes the suction on the tank and sometimes it does not dispense chlorine like you were expecting.
    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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    JoyfulNoise's Avatar
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    Re: Liquid Chlorine Feeder Options

    Quote Originally Posted by bonafide505 View Post
    I'd like to know as well. Tp be frank, I'm not convinced that the SWG system is worth the cost based on replacement of the cell- I have gone through my second cell in 6 years. Surely there's a way to automate liquid chlorination in a cheaper way...?
    That's on the very low end of acceptable. Most members here get in excess of 5+ years with their SWGs and some have gone as long as 10 years between replacements. This analysis is year old or so, but it shows how SWGs compare to bleach chlorination -

    Economics of Saltwater Chlorine Generators

    If you're burning through cells as quickly as you say you are, then either your SWG's are undersized relative to your pool volume OR your water chemistry is off OR both. If you add your equipment info to your signature line and you put up a new post in the SWG sub-forum, we can help you figure out why your cells are under-performing in terms of lifetime.
    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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    MarkTX's Avatar
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    Re: Liquidator vs. Stenner

    My pool is 6 months old or so. I started it already fully prepared with knowledge of the TFP method. First thing I noticed was, I did not like adding bleach every day. But excellent results!

    So I got the 3/8" LQ. Life was better. Excellent results!

    But the LQ is a bit finicky, and you do not get the immediate treatment effect that directly dosing with bleach provides. Hmm. And actually, it is still a bother to add bleach to my LQ so often with my 30k pool.

    I think sooner than later I will get a SWG system. Let the stuff corrode like the salesmen say it will, whatever. Which, if you read this forum regularly, does not happen that fast. To me, trouble free means trouble free, and SWG seems to be the answer.

    Of course, I will install the SWG and discover new tasks I have to do. There is no free ride to pure, blue water it seems. But my goal is to be as trouble-free as possible.
    30,000 gal free-form IG w/ spa, PebbleSheen Blue Surf, Pentair cartridge filter, Pentair 3 HP Intelliflo, extra pump that is way over-sized for weeping moss rocks, Dolphin Oasis Z5, municipal water, all built Jan-Feb 2016. TF-100, SpeedStir, Liquidator 3/8", borates. My build thread http://www.troublefreepool.com/threa...-in-Cypress-TX

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    Re: Liquidator vs. Stenner

    SWG cells are getting better, some have up to a seven year warranty, 15k hour life cycle. We'll see if they will actually last that long. But by purchasing an oversized unit, the actual running time decreases dramatically and the price difference doesn't have to be that great. If you want full control automation from your phone while at the office, then the price can ramp up substantially. That will be the case for any system. Gotta pay for your toys... To me, the whole point of TFP methods is to be able to find the operational sweet spot and just let it work. Sure there will be storms and power interruptions, but they will have a similar effect regardless of the equipment. Having a pool IS a luxury, but there is no reason that it has to be a chore, nor a budgetary burden. Having to constantly add chlorine either manually or to a tank seemed more of a bother than I wanted. The swg just made sense to me.
    16X32 AB, Pentair SD filter, 3/4hp Pentair Optiflo, CircuPool RJ30+ swg, TF 100

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    Re: Liquidator vs. Stenner

    I like my liquidator. Had to get the quirks out in the beginning like anything else. I adjust settings regularly depending on weather,temperature, and amount of chlorine in tank.
    16'x34' Kidney 17000 Gallon IG Vinyl liner. Pentair IntelliXF vs pump, Sta-Rite System 3 DE filter. Liquidator, TF-100 Test kit w/ speed stir. Aqua Comfort heat pump, Dolphin Apollo robot, clear solar cover, stamped concrete deck.

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