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Thread: One hose is clear, the other is green

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    One hose is clear, the other is green

    Hi All -

    I have an odd question. I have a 15 foot intex metal frame pool with a salt water generator (which I love by the way). The pool is just about crystal clear. No algae, no cloudiness at all. However the hose that sucks the water into the SWG is crystal clear but the hose that takes the water from the SWG is always green. What does this mean? Do I need to clean the cell?

    The last test I did on the water a few days ago at the local pool place was:

    PH 7.6
    FC 1.6
    Stabilizer 30
    Location: Long Island, NY
    Gallons: 5000 Gallons
    Pool: 15' Saltwater 5000
    Filter: Pentair 1 HP Optiflow Pump w/ Clean & Clear 75Sq Ft Cartridge Filter
    SWG: Intex CS8110

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    Mod Squad JohnT's Avatar
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    Re: One hose is clear, the other is green

    Maybe the copper ionizer is staining the output hose.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

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    BoDarville's Avatar
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    Re: One hose is clear, the other is green

    Quote Originally Posted by richierich
    Stabilizer 30
    This is likely not the cause of the green hose, but an observation...For a SWG pool, the stabilizer level (a.k.a., CYA) should be at least 60 ppm and ideally 70-80 ppm. However, since this is a pool store test, it could be way off. My experience with pool store testing is that the CYA test is the one with the biggest variance. I have taken a few samples in for testing (just for grins) and their result is always twice what mine is. Here are more examples of Inconsistency in readings from pool store testing. I would strongly suggest that you look into one of the Recommended Test Kits and take control of your pool water testing.

    Also, check out the Chlorine CYA Chart for the proper chlorine level for your CYA (note the SWG chart).
    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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    Charlie_R's Avatar
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    Re: One hose is clear, the other is green

    One thing to remember:

    While your pool may be listed as a "toy" pool by many sellers, it is still a pool. As such, it does need proper care to avoid transfer of pathogens from one swimmer to another, and avoid algae etc.

    Forget the pool stores. They are normally in business to sell you "miracle" cures, and in order to do that, they care not if the testing is accurate or not, as long as it keeps you coming back for more "miracles".

    Your best bet is to follow the recommendations you find here, for a clean safe swimming environment/experience.

    Many have been in the position you are in, and have found the advice here to be top-notch.

    Don't think of the test kit as an expense, think of it as an investment in you and your family's safety. Once you have the kit in hand and learn to trust it, you will be glad you made that investment, along with the knowledge that you control your pool, not a pool store.

    Happy swimming!
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    Re: One hose is clear, the other is green

    Quote Originally Posted by JohnT
    Maybe the copper ionizer is staining the output hose.

    Do you think cleaning it with the white vinegar as directed in the manual would help?
    Location: Long Island, NY
    Gallons: 5000 Gallons
    Pool: 15' Saltwater 5000
    Filter: Pentair 1 HP Optiflow Pump w/ Clean & Clear 75Sq Ft Cartridge Filter
    SWG: Intex CS8110

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    Charlie_R's Avatar
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    Re: One hose is clear, the other is green

    Try cleaning it with 10 parts water and 1 part plain household bleach. Agitate the mixture in the tube for about 10 minutes, and see what falls out.

    The white vinegar as in the manual is a weak acid wash, and if the green coloration is as I suspect algae, that won't clean it very well. Chlorine will kill it.

    Order the test kit (TF-100 or K-2006), and while you are waiting for it to arrive in a couple of days, click on the pool school link at the top right of this page, and read through it a few times.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    linen's Avatar
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    Re: One hose is clear, the other is green

    I would guess it is copper, if it is only on the return side.

    Have you unplugged your copper bars on the intex swg? No reason to add copper to your water, as you can see it stains pool surfaces and also can turn blond hair green. Are you seeing any discoloration in the water or on the pool walls?
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: One hose is clear, the other is green

    Quote Originally Posted by linen
    I would guess it is copper, if it is only on the return side.

    Have you unplugged your copper bars on the intex swg? No reason to add copper to your water, as you can see it stains pool surfaces and also can turn blond hair green. Are you seeing any discoloration in the water or on the pool walls?
    I haven't really seen any discoloration of anything. This may be a dumb question, but you can unplug the copper bar? Should I try that? I should leave alone the 3 very thin silver plates right?
    Location: Long Island, NY
    Gallons: 5000 Gallons
    Pool: 15' Saltwater 5000
    Filter: Pentair 1 HP Optiflow Pump w/ Clean & Clear 75Sq Ft Cartridge Filter
    SWG: Intex CS8110

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    linen's Avatar
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    Re: One hose is clear, the other is green

    Leave the "silver" plates connected, those are used to create the chlorine from the saltwater by electrolysis. Just unplug the wire from the two copper bars
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: One hose is clear, the other is green

    Quote Originally Posted by linen
    Leave the "silver" plates connected, those are used to create the chlorine from the saltwater by electrolysis. Just unplug the wire from the two copper bars

    what do the copper bars do in the chlorine making process? Can I just unscrew the cap that has the bars attached to it and put one of the "drain caps" on instead? Should I do this permanently?
    Location: Long Island, NY
    Gallons: 5000 Gallons
    Pool: 15' Saltwater 5000
    Filter: Pentair 1 HP Optiflow Pump w/ Clean & Clear 75Sq Ft Cartridge Filter
    SWG: Intex CS8110

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    Re: One hose is clear, the other is green

    Nothing. They are an additional sanitizer but are unnecessary.
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
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    Re: One hose is clear, the other is green

    Quote Originally Posted by RobbieH
    Nothing. They are an additional sanitizer but are unnecessary.
    oh ok thanks. so should I leave it permanently unplugged and use the drain cap instead?
    Location: Long Island, NY
    Gallons: 5000 Gallons
    Pool: 15' Saltwater 5000
    Filter: Pentair 1 HP Optiflow Pump w/ Clean & Clear 75Sq Ft Cartridge Filter
    SWG: Intex CS8110

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