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Thread: Pool Rookie w/ a Green Pool

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  1. #1
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    Default Re: Pool Rookie w/ a Green Pool

    1. Got it ignoring the Bromine test

    2. Ignore Acid demand got it!

    3. Commercial Bleach is the same as pool store liquid chlorine just in lesser concentrate

    4. My pool dimensions are 30x14 8.5 ft in the deepest, 3.5 ft in the shallowest. I used a pool calculator online and they stated it was 17k so I just rounded down. What do you think?

    5. Will brush the pool and redo my numbers right when I get home. I want my pool to sparkle!!!

    6. i have only backwashed twice as my psi increased twice in a 72 hour period from 10 to 15. My sand filter is brand new and the gauge is working properly.

    7. Yes I have, but It may be a week till i get it. I ordered from Amazon.

    Thank you thank you thank you again!!!!

    david

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    Default Re: Pool Rookie w/ a Green Pool

    17k is possible, though I'm surprised that that would constitute a diving pool. But don't round down. PF is 7, so 1 lb of stabilizer will increase your CYA level by 7 ppm and 1 lb of dichlor (55% chlorine) will add about 4 ppm of chlorine (0.55 x 7).

    Then, backwash at 15 psi. It's good that it's increasing that quickly; that means the dead algae is not 'leaking' through the filter, which can happen.

    Get a cheap OTO (yellow / red drops) test kit locally, and use it for now. Maintain chlorine levels in the dark yellow to orange region. If you reach 'orange' let the chlorine drop to dark yellow before adding more.

    Brush. Vacuum.

    Once the pool clears a bit, make sure the chlorine is high, and then turn the pump off for 24 hours. Much of the algae *may* settle to the bottom. If the algae settles, make sure the pool returns direct water AWAY from the bottom, turn the pump back on, and began vacuum algae off the bottom. 'Walk' bleach around the pool if the chlorine level starts to drop while the pump is off. If the algae does NOT settle, just turn the pump back on and continue filtering.

  3. #3
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    Default Re: Pool Rookie w/ a Green Pool

    thank you Ben, but what is "PF" again?

    -david

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    Default Re: Pool Rookie w/ a Green Pool

    PF = Pool Factor.

    It's just a tool for calculating doses quickly, or in my head. It's the ratio of the weight of water in your pool to a pool with 1,000,000 lbs of water (~120,000 gallons).

    A 120K gallon pool has a PF of 1, so a pound of added CYA will result in a 1 ppm increase in CYA levels

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