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Thread: Do you know what is this for?

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    HardTrance9's Avatar
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    Do you know what is this for?

    Hi all,

    The CL & CS pools (on signature) have the item shown in the picture (sorry for the blurry pic, cell phone).

    What are your comments on this item? Does it works ok? works so so? How often has to be serviced? It is the first time I see these installed.

    One is installed near the pool pump (CS pool) but the other one is installed with the heat pump?? (CL) Is this normal? or ok? Will take some pictures next time and post them.

    The item is an:

    Automatic Chlorine / Bromine in Linde Feeder, Model 320
    Attached Images Attached Images
    In charge of some SWG and Bleach pools... still a newbie..

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    Ohm_Boy's Avatar
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    Re: Do you know what is this for?

    It's a tablet feeder, generally used to dispense trichlor tabs. Also used to continuously add CYA from the trichlor tabs to the pool water until it goes sky-high and renders the chlorine ineffective.

    We don't like them for normal clorination (because of that CYA thing), but they can be handy for occasional vacation-type use if you know your chemistry and anticipate the side-effects.
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

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    HardTrance9's Avatar
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    Re: Do you know what is this for?

    Quote Originally Posted by Ohm_Boy
    It's a tablet feeder, generally used to dispense trichlor tabs. Also used to continuously add CYA from the trichlor tabs to the pool water until it goes sky-high and renders the chlorine ineffective.

    We don't like them for normal clorination (because of that CYA thing), but they can be handy for occasional vacation-type use if you know your chemistry and anticipate the side-effects.
    Oh, I see. If anyone knows how to deactivate this, I think it would be better to not use this item I am trying to keep control on FC with the T-100 kit, the Pool Calculator and bleach.

    I will try to read more on this, but any other comments would be helpful. (unfortunately I don't only take care of pools, and I regularly find myself with very limited time to do everything )
    In charge of some SWG and Bleach pools... still a newbie..

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    polyvue's Avatar
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    Re: Do you know what is this for?

    Quote Originally Posted by HardTrance9
    Oh, I see. If anyone knows how to deactivate this, I think it would be better to not use this item I am trying to keep control on FC with the T-100 kit, the Pool Calculator and bleach.
    I've never deactivated one before but I believe first steps would be to turn off the chlorine control valve located at the base of the feeder tube, and shut any other stop/ball valves that exist between the unit and where it is plumbed into the supply line. At that point you may want to empty the feeder chamber (use gloves to remove tablets) and rinse it out, careful not to splash the solution on yourself or equipment. I can't advise you about uninstalling the unit. If you want to do that, post back and one of our plumbing specialists will address your question. Good luck!

    Here's the installation manual:

    http://www.pentairpool.com/pdfs/320Chlo ... der_UG.pdf
    14,555 gal in-ground 16'x29' white plaster Pool w/spa (2007); Goldline Aqua Logic AQL-PS-8 control w/Aqua Cell 15 Salt Water Chlorination (SWCG); Hayward TriStar 1HP (1.85 SF) main / 1.5HP (1.60 SF) spa pumps; Hayward Swimclear cart filter C4025, ColorLogic LED lights; Tankless SP-18-4 electric heater; Polaris 280 cleaner.
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    Re: Do you know what is this for?

    When you take the top off be sure to have your face away from the opening. I, once opened one standing over it and the fumes almost knocked me out.

    gg=alice
    1981, 25K, IG, Blue Plaster 1996, somewhat oval, widens a bit at shallow end, 1.5" pipes, 2" at Pad, 1 separate main drain, 1 skimmer, 4 returns + dedicated cleaner return, 10 ft deep end with very fast decline from shallow, Pentair Quad 80 DE, Pentair Intelliflo VF, 3/4 HP Booster Pump (equipment pad about 8 ft below top of pool), Challanger 3/4 Trash/Emergency Pump 120v, Polaris 280 (pressure), iRobot Verro cleaner (robotic), Aquabot Turbo (robotic), Jacuzzi Tracker 4X (vacuum) Pool Blaster (Buster), Two (2) PoolSkims, Solar Breeze (solar powered top skimmer) (beta to ver. 2, release date 2010), ColorSplash LED replacement bulb. Aries 550 gal separate spa, 2002 (our 3rd and BEST spa) , BBB-Bromine

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    HardTrance9's Avatar
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    Re: Do you know what is this for?

    Polyvue SO many thanks as always! geekgranny, thanks for that last advice too! Will be careful.

    I would leave this feeders installed but this pools (CS & CL on signature) don't seem to have a pipe out for water when something like backwashing will be needed but also don't have a automatic refill system. If they had this, then I guess it would be easier to level the CYA level from time to time with no need to uninstall them. These are DE filters and don't know exactly (yet) the proper way to "backwash or clean" them as it is done with a sand filter. But I will take on this later.

    Thanks a lot!
    In charge of some SWG and Bleach pools... still a newbie..

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    Ohm_Boy's Avatar
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    Re: Do you know what is this for?

    You can leave them in, and simply not put anything in them.
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

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    Re: Do you know what is this for?

    Mine was threaded onto the top of a return line. I removed it by screwing it out and put a .39 cent PVC threaded-plug in it's place (after I wrapped some teflon tape on the plug threads that is!).
    WetEdge Satin Matrix, 16K gallon, Pentair NSP-60 DE filter, Pac Fab Challenger, 2HP pump, BBB, Polaris 360

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    HardTrance9's Avatar
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    Re: Do you know what is this for?

    I just shut down all the valves in both pools and now I am monitoring the FC and CYA behaviour. If they are off, then I guess we can leave them mounted, just not working.
    In charge of some SWG and Bleach pools... still a newbie..

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    Re: Do you know what is this for?

    I have left my installed and add my CYA that has been placed in a sock in the feeder and set it at 3-4, it works well to introduce the CYA into the pool.
    15 X 28, 12,000 Gallon, (IG) Freeform Dark Gray Plaster/Gunite with attached 10 X 7 Spa raised 18", 7 Jet with Spillover and Art Rock Waterfall/Grotto, Pentair Intelliflo VS-3050 for Pool, 2 HP Whisperflo for Waterfall/Grotto, Pentair Clean & Clear Cartridge 320, Pentair 400K BTU Matstertemp, Pentair EasyTouch 4P, Pentair Suction Side PoolShark Cleaner, Stenner pump, autofill system, Plumbed for future Solar, TF-Testkit.

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