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Thread: Algae Prevention Without Circulation

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    Bluegrassman's Avatar
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    Algae Prevention Without Circulation

    Hi folks. My new, unfinished pool is trying to have an algae bloom. For various reasons, it is only roughly 65% filled, and uncirculated. We're probably 2 weeks away from having it full and circulating, and the temps are warming up.
    Tonight I added 6 quarts of 6% bleach (mixing 1 quart at a time in a 3 gallon bucket of water) and poured it slowly all around the pool. I then did my best to "mix" the water by using a dip net.
    Based on my best guess of volume, and using the best guess chlorine chart, I'm assuming roughly a FC level of ~5.5ppm. We are supposed to have a few days of rain ahead of us now.
    Questions:
    1) Do you think this is enough for now
    2) would it be safe to try and add some CYA? And if so
    3) How much should I try to add and how should I do it.

    I'm open to any other suggestions too. I'm trying to prevent a green swamp from happening.


    Sent From My Inspire 4G Using Tapatalk
    18x36 Vinyl IG ~27,000 gal, Intelliflo VF Pump, 300# Sand Filter, Polaris 280 w/Pentair Booster Pump, Pentair EasyTouch w/ IC40 SWCG
    TF100 Test Kit
    SpeedStir

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    Bluegrassman's Avatar
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    Re: Algae Prevention Without Circulation

    Additional info
    Just tested water.

    FC 5PPM
    CC 0.5 PPM

    Sent From My Inspire 4G Using Tapatalk
    18x36 Vinyl IG ~27,000 gal, Intelliflo VF Pump, 300# Sand Filter, Polaris 280 w/Pentair Booster Pump, Pentair EasyTouch w/ IC40 SWCG
    TF100 Test Kit
    SpeedStir

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    duraleigh's Avatar
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    Re: Algae Prevention Without Circulation

    I don't see how you will completely prevent it (algae) without circulation but I am also a little surprised your pool water is warm enough to support the growth.....That's irrelevant but puzzling.

    If you bring the FC up to around 5.0 each evening mixing it as thoroughly as you can, you may have some luck. Adding the CYA is probably not helpful because it is so slow dissolving and you can't circulate it.

    I suspect you may not keep it as clean as you like but the FC won't cost much and it will help. Once your up and running, the Shock Process will completely fix your pool water and I think that's what you may have to plan on.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Bluegrassman's Avatar
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    Re: Algae Prevention Without Circulation

    Thanks duraleigh. I was surprised too. But it definitely started getting a slight green hue and some cloudiness to it. Just want to stay ahead of it the best I can.

    Sent From My Inspire 4G Using Tapatalk
    18x36 Vinyl IG ~27,000 gal, Intelliflo VF Pump, 300# Sand Filter, Polaris 280 w/Pentair Booster Pump, Pentair EasyTouch w/ IC40 SWCG
    TF100 Test Kit
    SpeedStir

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