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Thread: 1st time opening pool... Algae problem that won't clear up

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    1st time opening pool... Algae problem that won't clear up

    First time opening my pool. Bought the house last summer. My pool is 16X32 and I have a Hayward cartridge filter that uses a c1200 cartridge. I removed the cover to find the pool resembled pea soup. After one full week of treating with chlorine and Algaecide and rinsing the filter daily, I finally got it to the point wher I could almost see the bottom. I added flocculant and waited a day. The water was clear and I then spent a day vacuuming to waste. All the debris was out. I vacuumed a few more times after allowing things to settle. I woke this morning, there was still a little lines of particles. I vacummed the remaining junk from the bottom, the pool looked pretty good. I washed out the filter and added chlorine. I then turned on the pump to circulate the chlorine. I came back 20 minutes later and the pool is brown again! I'm guessing 1. I didn't flush the filter enough or 2. The return lines were loaded with algae. Either way, it's disheartening to say the least. Is this normal? I installed a brand new filter and circulated all day. Didn't see any improvement. I know the big stuff is out of the pool (leaves etc). Should I do another cycle of flocculant or just filter for a few days?

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    Mod Squad jblizzle's Avatar
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    Re: 1st time opening pool... Algae problem that won't clear up

    Welcome to TFP!!!

    You can not solve an algae problem with a filter.

    You need to follow the ShockLevelAndMAINTAIN Process and to do that you need to invest in one of the Recommended Test Kits.

    Sounds like you are using all kinds of chemicals that we would not recommend. All you need is chlorine.
    Jason, TFP Moderator
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    Re: 1st time opening pool... Algae problem that won't clear up

    I've checked balance daily (test kit) and all numbers are in range except chlorine, it's high (10 ppm+). The flocculant was recommended by multiple pool ppl and it worked! The pool looked good. The water was clear, it wasn't until I added more chlorine and powered the pump back on. (Pump was off for 2 days while using the flocculant). Within 20 minutes of running the pump, the water went from clear to brown. 2 steps forward and 3 back!


    so, if balance is normal (ph, alkalinity, hardness etc) and there is enough chlorine to ward off algae growth, how do I clear the pool? If filtering is not the answer? Suggestions?

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    Mod Squad jblizzle's Avatar
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    Re: 1st time opening pool... Algae problem that won't clear up

    You test kit is lacking the FAS-DPD chlorine test which is need to properly clear up the pool with the SLAM process.

    Please post what kit you have and the results. "Balance is normal" is meaningless to us. We want numbers.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Mod Squad pooldv's Avatar
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    Re: 1st time opening pool... Algae problem that won't clear up

    Here is what we need to be able to help you, Pool School - Read This BEFORE You Post
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    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
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    Patrick_B's Avatar
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    Re: 1st time opening pool... Algae problem that won't clear up

    Welcome to the forum, these guys have you pointed right, so I can't add much. Enjoy your time on TFP.
    TFP Moderator
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    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
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    DaninFLA's Avatar
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    Re: 1st time opening pool... Algae problem that won't clear up

    BMKOLE, first advice is to not go to the pool store anymore.

    second piece of advice is to ask questions and listen to the advice given here. the people here are not pool store owners trying to sell you useless chemicals at big profits. we are going to tell you how to fix your pool and to get the water crystal clean, and then how to maintain it with minimal cost/effort.

    you will not regret following the advice/methods used here. BUT, it will require you to un-learn the way the pool store has taught you to maintain a pool. ever notice how much you have to keep going back to them and buying more stuff over and over again? well if you got your pool cleaned up via the SLAM process taught here and then maintained it with bleach, you will never need to shock your pool again, or add floc or any other nonsense.

    first step, bite the bullet and buy one of the two recommended test kits. the TF-100 is a better value
    Dan
    9,000 gallon in-ground Saltwater pool, plaster, cartridge filer, 1.0 hp pump, Hayward T-15 SWCG, TF-100
    Pool School - Chlorine / CYA Chart; Pool School - Test Kits Compared;

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    Texas Splash's Avatar
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    Re: 1st time opening pool... Algae problem that won't clear up

    Ditto to what Dan just posted. We (TFP) have no personal/business interest in selling anything. We just want to help ordinary people succeed on their own. Just follow the advice above.

    Also, I didn't see anywhere above your pool info. Please add your pool info to your signature by going to the top of the TFP web page (just under the Pool School button) and select "SETTINGS". On the next page look to the left for a menu bar that says, “MY SETTINGS” and go to "EDIT SIGNATURE" to enter your pool and equipment info there. It will help us later.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
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