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Thread: How to add CYA on a refill

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    Modawg2k's Avatar
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    How to add CYA on a refill

    I'm helping my buddy out w/ his refill today. I know that when I add CYA to my pool, I put it in socks and into the skimmer. What should we do for his pool since it's a fresh fill and contains no CYA? Still put it in socks to let it dissolve over a week or throw in enough based off the calculator to get it to appropriate levels?
    ~15k gallons, 3'-5'-4' Figure 8 Shape In Ground
    Wetedge Satin Matrix Interior (Pebble)
    Paramount In-floor System
    Pentair IntelliFlo VS 3050, Pentair Triton II TR100 Sand Filter
    Pentair Intellichlor IC40 SWG

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    Charlie_R's Avatar
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    Re: How to add CYA on a refill

    Sock method. It doesn't matter that it is a fresh fill, or adding a maintenance dose.

    You don't want to broadcast and have it sitting on the bottom of the pool.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    pwrstrk's Avatar
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    Re: How to add CYA on a refill

    Put the CYA in a sock and hang it in front of the return. Give it a squeeze every once in awhile to help it dissolve quicker. Wait to test for a week. 😎
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Administrator Leebo's Avatar
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    Re: How to add CYA on a refill

    Keep in mind, you don't need to allow the CYA to dissolve for a week. Once it's dissolved from the sock, you can remove the sock. It just takes up to a week to show on the CYA test.

    Also, if you "toss into the skimmer," make sure pump is running the entire time the Sock is in the skimmer. Also, don't back flush for a week or so.

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    Modawg2k's Avatar
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    Re: How to add CYA on a refill

    Oh that's something I'm not doing. I've been leaving my sock in 24/7 even though my pump runs only 8 hours a day. Thanks for the advice
    ~15k gallons, 3'-5'-4' Figure 8 Shape In Ground
    Wetedge Satin Matrix Interior (Pebble)
    Paramount In-floor System
    Pentair IntelliFlo VS 3050, Pentair Triton II TR100 Sand Filter
    Pentair Intellichlor IC40 SWG

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    Administrator Leebo's Avatar
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    Re: How to add CYA on a refill

    Anytime there are ever chemicals in the skimmer, the pump should be left running. By leaving the CYA in the skimmer with no water circulation you are allowing the pH to lower in the skimmer.....risking damage. When you first turn on the pump, you also flow low pH water into the pump, risking damaging the pumps seals.

    Often the majority of our CYA is dissolved after a few hours and we'll remove it. Then we leave the pump running for 24hours.....just in case.

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    Modawg2k's Avatar
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    Re: How to add CYA on a refill

    Cool thanks!
    ~15k gallons, 3'-5'-4' Figure 8 Shape In Ground
    Wetedge Satin Matrix Interior (Pebble)
    Paramount In-floor System
    Pentair IntelliFlo VS 3050, Pentair Triton II TR100 Sand Filter
    Pentair Intellichlor IC40 SWG

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    Re: How to add CYA on a refill

    So are you guys meaning like a regular old sock or some kind of special sock designed for pool chemicals
    13500 gallon AG (24' round), 100 sf cartridge filter, Hayward 1hp pump, pool 10-15 years old with recently replaced liner

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    pwrstrk's Avatar
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    Re: How to add CYA on a refill

    Just a regular sock or a nylon knee high. I've used both. 😎
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: How to add CYA on a refill

    What about using the liquid stabilizer or conditioner used it last year just walked around poured In after dissolving in bucket is this not an ok way?



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    Mod Squad jblizzle's Avatar
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    Re: How to add CYA on a refill

    That is fine. Just costs a lot more money than the solid form of CYA for no real gain.
    Jason, TFP Moderator
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    Smykowski's Avatar
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    Re: How to add CYA on a refill

    Plain cheap knee high nylons. Less than $1/pair at Wally World.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
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    sargent's Avatar
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    Re: How to add CYA on a refill

    You know how when you take socks out of the dryer, and it seems like you are always missing one? That is so you will have a sock to put CYA in.


    14k gal IG vinyl, Jandy Flopro 1 hp up-rated, 2 spd pump, Hayward 325 sq ft cartridge filter, Circupool Si-40 SWCG

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