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Thread: Chemicals balanced, green pool!!

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    Chemicals balanced, green pool!!

    I've had this pool since June and have spent more on chemicals than I spent on the pool purchase. I've tried yellow out, chlor brite, metal free, pool perfect, bought a new sand filter, and continuously check the water. I made another trip to the pool store today and purchased Pool First Aid. I was told this should remove the green but I'm not so sure. I don't know what else to do. The water has been clear but is still an olive green color. Please please please help me! Today's readings are:
    FAC 3
    TAC 3
    CH 290
    CYA 80
    TA 100
    pH 7.4
    Pho 0
    3900 gallon AG Intex ultra frame pool 14ft by 48in with Krystal clear sand filter, 12 in 1/4hp model number SF10110 loaded with zeolite sand

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    Mod Squad jblizzle's Avatar
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    Re: Chemicals balanced, green pool!!

    Welcome to TFP!!!

    You are what we referred to as pool-stored. You are blindly spending money and likely making the problem worse.

    I would highly recommend spending some time reading Pool School (button at the upper right of the page). There is an article outlining a method of maintaining small pools: pool-school/temporary_pool_guide

    But, that assumes you are starting from scratch. You are starting from a mess. Honestly the cheapest method is likely draining and starting over. If you are going to try to understand the chemistry and clear up the pool, then you are going to need one of the Recommended Test Kits {which would be a good idea to have any path you choose to take}.

    Based on those test results (which we do not typically trust), you FC is too low based on your high CYA. Looking at this chart: pool-school/chlorine_cya_chart_shock with a CYA of 80ppm, your FC should NEVER be less than 6ppm to prevent algae from starting.

    There is no need to yellow out or any algaecides, just chlorine is all you need ... although you seem to be indicating a problem with metals ... have they been confirmed present in your pool? If so, you need to consistently be adding a sequestrant as described here: pool-school/metal%20stains
    Jason, TFP Moderator
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    BoDarville's Avatar
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    Re: Chemicals balanced, green pool!!

    Welcome to TFP

    Is the water a transparent green or a murky pond-like green? What is the source of your fill water (well or municipal water)?

    Quote Originally Posted by maristone
    FAC 3
    TAC 3
    CH 290
    CYA 80
    TA 100
    pH 7.4
    Pho 0
    The FC level of 3 ppm is too low for your CYA of 80 ppm and algae may be getting a foothold. At that CYA level, you need to maintain a minimum FC of 6. Chlorine gets depleted each day due to sunlight and as a by-product of doing its job as a sanitizer. Therefore, FC needs to be tested and replenished daily during the swim season. I recommend testing and dosing FC in the early evening after all sunlight is off the pool. Recommend using plain, unscented liquid bleach for chlorination. When dosing, aim for an FC of about 9 to make sure it does not go below 6 ppm. Read Chlorine CYA Chart for more information on the FC/CYA relationship.

    None of those other products the pool store sold you are needed. Managing FC and using liquid bleach is all you need for adequate sanitation - it is really that simple.

    All of your other numbers look good, BTW. If you don't already have one, you will need a good test kit to properly manage your pool. Here is a comparison of the recommended Test Kits.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
    A good test kit is an investment, not an expense.

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    Re: Chemicals balanced, green pool!!

    Sorry to hear it's been such an awful process. We'll help you fix it.

    1. You MUST buy a good test kit. No way around it. You were willing to blindly spend what the pool store told you to buy. If you follow us on this one, I can pretty much guarantee you'll save money in the long run. It will certainly be cheaper than what you did already. And it won't be blindly following us...we'll teach you along the way.

    2. Read Pool School. Then reread it. Then take a break. Then read some more.

    3. Head over to the "Defeating Algae" threads for some inspiration. Richard320 has a list of recent success stories I'm sure he'll provide shortly.

    4. Go back and read Pool School again. At this point a lot of it should start making sense.

    5. By now you should have your test kit, and we'll help you take back the pool.

    Welcome to the forum!
    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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    Re: Chemicals balanced, green pool!!

    Thank you for the quick responses! The pool is filled with well water and changes form transparent to slightly murky. I believe the green color of the water is due to metals present in the water but the money hungry salesmen at the pool store tell me that they are no longer present. I believe metal free is a sequestrant and will not completely remove the metal from the water. I'm almost certain the only way to get rid of the metals is to have the pool filled with municipal water. We bought this pool for our children because we knew we would be unable to do much this summer because I'm in nursing school and with the amount of money we've spent on chemicals, we could have taken a small trip somewhere. We just want to enjoy this pool and not be so embarrassed by our hillbilly pool.
    3900 gallon AG Intex ultra frame pool 14ft by 48in with Krystal clear sand filter, 12 in 1/4hp model number SF10110 loaded with zeolite sand

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    UnderWaterVanya's Avatar
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    Re: Chemicals balanced, green pool!!

    Sequesterants have to be added periodically as you guessed. If mini water is an option then drain and refill when it makes sense.

    You can own this pool...rather than the pool owning you.

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    Re: Chemicals balanced, green pool!!

    We added the pool first aid before I joined this site and the water went from clear and green to green and cloudy. Today I'm going to add bleach and see how that goes. I'm hoping to drain about 38% of the water and fill with municipal water.
    3900 gallon AG Intex ultra frame pool 14ft by 48in with Krystal clear sand filter, 12 in 1/4hp model number SF10110 loaded with zeolite sand

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    xokeman's Avatar
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    Re: Chemicals balanced, green pool!!

    I can atest to TFP helping you out. There are two important things to remember at these early stages that might not have been mentioned yet.

    1.} Stay the course (be patient, no need to rush and waste even more money!)
    2.} Aside from Chlorine. no need to rush and add tons of chemicals

    just my 2 pennies worth!
    26k IG Vinyl, 2 HP single speed,24" Tagelus Sand, 1.5" pipe, 1 Main, 1 Skimmer, 2 jets, pool built 1983, new vinyl 2014, 36'x18', Deep End 8', The PoolCleaner 4X Suction.
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    Re: Chemicals balanced, green pool!!

    Aside from maintaining proper chlorine levels to prevent and control algae, my biggest problem is metal in the water. What is the best way to test for metals other than taking a after sample to the pool store? At this time I'm not sure if the green is from algae or metal. I think i have a good understanding about pool chemistry, I just need to get a good water testing kit instead of constantly taking water samples to the pool store. They always talk me into buying this or that.
    3900 gallon AG Intex ultra frame pool 14ft by 48in with Krystal clear sand filter, 12 in 1/4hp model number SF10110 loaded with zeolite sand

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    Mod Squad jblizzle's Avatar
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    Re: Chemicals balanced, green pool!!

    Metal tests are expensive, so letting the pool store do it is fine. Metals will give the water a tint, but it can still be clear. I think you have algae and metals to deal with.
    Jason, TFP Moderator
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    BoDarville's Avatar
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    Re: Chemicals balanced, green pool!!

    Quote Originally Posted by jblizzle
    I think you have algae and metals to deal with.
    So do I. All the evidence point to it: FC that is too low for your CYA, water that is getting cloudy, and the metals.

    Quote Originally Posted by maristone
    At this time I'm not sure if the green is from algae or metal.
    It is probably some of both, given what I stated above. There is a test called the Overnight Chlorine Loss Test (OCLT) that you can run using one of the recommended test kits to see if your pool has algae or some other organic contaminant.

    I would strongly suggest that getting a recommended test kit should be Priority #1. Little else matters without that.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
    A good test kit is an investment, not an expense.

  12. Back To Top    #12

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    Re: Chemicals balanced, green pool!!

    Thanks for the info! I plan on purchasing the kit from Leslie's pool supply tomorrow. I'm also considering adding DE to my sand filter. I read in Pool school how to do that. Any suggestions on that?
    3900 gallon AG Intex ultra frame pool 14ft by 48in with Krystal clear sand filter, 12 in 1/4hp model number SF10110 loaded with zeolite sand

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    Mod Squad jblizzle's Avatar
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    Re: Chemicals balanced, green pool!!

    NO!!!!! Leslies will NOT have the recommended test kits. {Well unless you are going to a commercial supply and not a retail store}.

    Get one of these Recommended Test Kits. In fact just trust us and get the TF100 from tftestkits.net

    The DE is there to help clear the cloudiness ... AFTER ... you are close to completing the SLAM Process.
    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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    Richard320's Avatar
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    Re: Chemicals balanced, green pool!!

    Quote Originally Posted by maristone
    Thanks for the info! I plan on purchasing the kit from Leslie's pool supply tomorrow. I'm also considering adding DE to my sand filter. I read in Pool school how to do that. Any suggestions on that?
    It's unlikely, though possible, that they'll stock it. The kit you want is this: http://www.lesliespool.com/Home/Pool-Ch ... 81329.html

    Do NOT let them sell you 81330 - It is NOT the same. It doesn't have the critical FAS-DPD test -that's why it's cheaper.
    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: Chemicals balanced, green pool!!

    Leslies does in fact have the fas dpd chlorine IE K2006 ( its where i got mine) but after testing and more testing i wish i ordered the TF100 with XL option
    Nathan
    15x30 gunite 18k gallons Hayward star clear plus 120sqft cart

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    Re: Chemicals balanced, green pool!!

    Okay. I will not be going to Leslie's tomorrow. I'll be ordering the kit you recommended online. Thanks again.
    3900 gallon AG Intex ultra frame pool 14ft by 48in with Krystal clear sand filter, 12 in 1/4hp model number SF10110 loaded with zeolite sand

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    Re: Chemicals balanced, green pool!!

    My pool is looking a lot better! I'm waiting on my test kit to come in. My pool is no longer olive green after adding household bleach, and its a lot more clear than it was.
    3900 gallon AG Intex ultra frame pool 14ft by 48in with Krystal clear sand filter, 12 in 1/4hp model number SF10110 loaded with zeolite sand

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    Mod Squad jblizzle's Avatar
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    Re: Chemicals balanced, green pool!!

    The process will go a lot easier and more efficiently once the kit arrives.
    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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  19. Back To Top    #19

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    Re: Chemicals balanced, green pool!!

    I have a question, the green is gone from my pool and it is pretty clear until the stuff that has settled on the bottom is stirred up. They are tiny tiny yellow particles that do not dissolve. I noticed them on my white ultra fine leaf skimmer. Any idea what this could be and does anyone have any suggestions what kind of vacuum would be good for this pool? I've back washed the filter/pump once even though the psi hadn't changed much. The water was filthy dark brown when I back washed. Any input is greatly appreciated!
    3900 gallon AG Intex ultra frame pool 14ft by 48in with Krystal clear sand filter, 12 in 1/4hp model number SF10110 loaded with zeolite sand

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    Re: Chemicals balanced, green pool!!

    Also, will adding DE to the sand filter be appropriate at this time?
    3900 gallon AG Intex ultra frame pool 14ft by 48in with Krystal clear sand filter, 12 in 1/4hp model number SF10110 loaded with zeolite sand

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