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    What is Sodium Dichloro-S-Triazinetrione ?

    A friend who just sold his house with a pool gave me a bunch of something call Shock Plus 4 in 1 pool shock. The only active ingredient is Sodium Dichloro-S-Triazinetrione. Is that just a mixture of chlorine and stabilizer? If so I will use for chlorine and just keep careful track of my...
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    SLAM worked just fine to clear my cloudy water, but I am confused about how it works.

    My pool was cloudy. I did the SLAM process as recommended, ran the filter non-stop, and now it is crystal clear. Thanks to the people who explained it on this web site. I am curious about just what happened. The water was not green. It was a milky cloudiness. Once before the water got...
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    Chlorine, sunlight, heat and CYA

    Is chlorine just broken down by direct sunlight or does heat also break it down? In an indoor pool would you need to use any CYA? This is just a theoretical question. I don't have an indoor pool and keep the CYA level in my pool at about 40. I'm just curious.
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    Phosphates and Copper

    I use the drop test kit I got from here, the Trouble Free TF-100. I also occasionally take a water sample to a pool store for testing to double check my results. Last week I went to Leslie's. They have a machine that tests the water without any drops. It gave me about the same results that I...
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    Biting insects in pool water?

    It seems like every time I swim I get little insect bites. Nothing serious, just like a mosquito bite. I thought they were from some kind of small flying insect I couldn't see, but just now I got a bite under my swim suit. It could be that something like an ant had crawled inside the swim...
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    Another CYA question

    2 days ago I accidentally spilled some CYA into the pool. It sat there in a pile for 2 days before I noticed it. This raises some questions. I was surprised that after sitting at the bottom of the pool for 2 days it had not dissolved. Is that normal? Does it normally take a really long...
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    CYA went down to zero over the winter. Why? What is the best CYA product to bring it back up?

    I thought CYA was supposed to stay pretty constant, but mine went down to zero over the winter. How could this be? I am looking at products on Amazon. CYA dissolves so slowly. Is it OK to use the liquid form?
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    Bleach has gotten very expensive

    Is there any good alternative to bleach, or what is the best way to get cheap bleach?
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    How often should you drain pool and replace water?

    I bought this house 11 years ago. The pool was full of rotting leaves so we drained it, cleaned it and refilled it. I have not drained it since then. I know the water is replaced by rain water, backwashing, and a hose when it gets low. Water is pretty cheap here. 11 years ago I think it...
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    Does this gap need to be repaired, or is it there for some purpose?

    Take a look at the attached photo. There is a gap of about 1/8 inch between the concrete deck and the pool tiles. (Tiles may not be the right word, but you can see what I am talking about. This gap is only on one side of the pool so I think it is caused by shifting concrete, but I want to...
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    Leaking pool pump

    I just noticed my pool pump is leaking. It is a slow leak, just enough to make a wet spot on the concrete pad. How serious is this? Is it OK to to leave it running. Does it need to be replaced right away? Can it be repaired or does it need to be replaced?
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    How long does the R-0013 CYA reagent stay good?

    How long does the R-0013 CYA reagent stay good? I have some that is maybe 3-4 years old. Will it still give accurate test results?
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    Lung damage from chlorine?

    Is there much danger of lung damage from doing every day pool maintenance? If you use powder shock I know a little of the dust gets in the air. Is that enough to cause lung damage?
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    What is the best product for repairing cracks in concrete deck?

    What is the best product for repairing cracks in concrete deck? I am looking for something I can order on Amazon. There are so many different products I don't know which to pick. This is a deck that can have water pooled on it during a heavy rain. It needs to be waterproof because the water...
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    Replacing old concrete pool deck with pavers

    I have an old concrete pool deck that is cracking and sinking. It needs to be replaced. I am thinking of using pavers rather than poured concrete. There are drain pipes under the deck and if there is ever a problem with then it will be much easier to remove the pavers to get to the pipes...
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    Is it true that the pool building business has gone way up since the virus hit us?

    Is it true that the pool building business has gone way up since the virus hit us? Several people have told me this but I can't find any mention of it online.
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    Using rain water from roof for pool

    I've watched some video's about using water from gutter downspout for the pool. They all use some kind of filter for leaves and other roof debris. Either a screen at the end of the pipe into the pool, or a rain barrel collection system. I have really good gutter guards and rarely get any...
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    Need to replace concrete near pool

    A concrete deck between my pool and my house is settling and cracking. This is causing some leaking in the basement. I talked to a concrete company about replacing it. They were nervous about damaging the pool and said I should call a pool company. I just talked to a guy I know at a pool...
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    How long does a pool filter valve usually last?

    Water is moving through my system, but it is not filtering. Pool is still cloudy 24 hours after I brushed. Usually it is crystal clear in 24 hours. Does that mean the pool filter valve is probably not working? Mine is 9 years old. Should I just replace it, or is there some test I should do...
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    Corona virus spread in chlorinated water?

    If some children who might have the corona virus swam in to pool, and I swam in it an hour after they left, would there be any chance of me getting the virus from the water?
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    OK to run water coming off roof through the gutters and downspout into the pool?

    Is it OK to run the water coming off a roof through the gutters and downspout into the pool?
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    Fixing recurring skimmer leaks

    Every year I get a leak at my skimmer. Usually I can find it and fix it with putty. I have been told two different things about why I get the leaks. One guy said it is natural water erosion since water is flowing over it constantly. He said you just keep locating the leaks and plugging...
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    Mystery leak, only when pump not running

    My pool water goes down about 1/4 inch at night when the pump is turned off. During the day when the pump is running the water level stays about
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    What does "inches of rain" tell you about how much rain water goes in your pool?

    I get an average of about 60" of rain per year. My pool is probably an average of about 5-6' deep. Does that mean that most of the water in the pool is being replaced by rain every year?
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    110v vs 220v for pool pump.

    I know a pump will burn out faster on 110, but how much faster? I am trying to decide if it is worth the money to get an electrician to fix the 220v going to my pool pump area. This is for a 1hp motor.
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    Buying a wet suit for exercise in cold water

    I want to keep swimming laps for exercise in my pool here in Atlanta as it gets colder this fall and winter. I am going to get a wet suit. I have never been in one and don't know what to look for. For swimming exercise in a cold pool, what should I look for? I see there are full body suits...
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    Any permanent fix for frequent skimmer leaks?

    Every year there is a new leak between the tiles in my skimmer. I guess this is caused by the erosion of the rapid water flow in that area. These leaks are easy to find and fix, but I would like to find a more permanent solution. Is there something that I could coat the whole skimmer with to...
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    My stabilizer went down from 80 to near zero in 3 months

    My stabilizer measurement went down from 80 to near zero in 3 months. Does this make any sense? It was measured twice, once by the pool store and once by me on 4/30/13. They said it was 80 and my measurement was about 60-70. Today I measured it and then double checked the measurement and it...
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    Natural Pools

    I know this is not the focus of this message board, but I am curious if anyone here has any experience with natural pools, where you use a system with plants to clean and filter the water. I am just starting to think about this.
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    Frogs - I like the frogs

    Frogs gather around my pool at night and croak. I really enjoy listening to them. I have gotten so interested in them that I am thinking of taking an adult education course in Georgia Amphibians. The frogs jump in the pool when they are frightened and swim to the bottom. If there are any...