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Thread: Algaecide vs Shock

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    Algaecide vs Shock

    Hi All!

    I got a new guy opening the pool this year (don't judge me, I will try to open myself next year) and he said he doesn't add algaecide because the shock will kill the algaecide. Fact or fiction? Does that mean need to add my own algaecide? Also, I know from being on here that most people prefer liquid chlorine and that's what I tend to use but is it ok to supplement with tabs? I can only find tabs with stabilizer and I don't want to "over stabilize" my pool.

    Thanks!
    Robert
    Gunite. 14,869 Gallons. Hayward cartridge filter. Hayward Super Pump 1HP. Chlorine.
    Baltimore, MD

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    duraleigh's Avatar
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    Re: Algaecide vs Shock

    Quote Originally Posted by RSAnative View Post
    Hi All!

    I got a new guy opening the pool this year (don't judge me, I will try to open myself next year) and he said he doesn't add algaecide because the shock will kill the algaecide. Fact or fiction? Does that mean need to add my own algaecide? Also, I know from being on here that most people prefer liquid chlorine and that's what I tend to use but is it ok to supplement with tabs? I can only find tabs with stabilizer and I don't want to "over stabilize" my pool.

    Thanks!
    Robert
    He is correct enough to give him a thumbs up. Not many folks know that about algaecide......chlorine only is the best way to clear your pool.

    Tabs are just fine as long as you DO YOUR OWN TESTING and stop using them when appropriate. Can you test for yourself?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Richard320's Avatar
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    Re: Algaecide vs Shock

    Also, algaecide works as a preventative, but not as a cure in the same way that wiping a surface with lysol will stop the spread of germs, but drinking it will not cure a cold once you catch it.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Algaecide vs Shock

    Yes, I have a good testing kit for CYA levels. So algaecide should never be necessary? Good to know! Thank you!!

    - - - Updated - - -

    A great metaphor!Thank you!
    Gunite. 14,869 Gallons. Hayward cartridge filter. Hayward Super Pump 1HP. Chlorine.
    Baltimore, MD

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