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    Highest chlorine level for robot vacuum use.

    I have a Dolphin Premier Robotic Pool Cleaner. Now I'm in the process of shocking the pool before winter closure. What is the highest free chlorine level I can run the robot? Tha manual says 4ppm is the max. I am wondering if people go above that.
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    What is max Free Chlorine ppm to use the Dolphine robot?

    Just got the Dolphine Premier. The Manual says it can be used at 4 ppm of chlorine max? is this the real-world number or I can push it a little? Like up to 10. https://www.amazon.com/dp/B01BP8PLMM?psc=1&ref=ppx_yo2ov_dt_b_product_details
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    The pump motor is running, water is not moving. Does not seem like the impeller moves.

    The pump is running, water is not moving. Does not seem like the impeller moves. Just found it before heading to work, so I did not have a chance to explore more. The pump is on and it seems like the motor is working, making a humming noise and slightly heated. The water in the chamber is not...
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    The problem with the cover. What are my pool cover options?

    My daughter just finished renovating her deck and it's time to get winter cover on. It was an old cracked concrete deck with anchors for safety cover. The contractor put pavers on sand over the existing patio. We just realized that anchors are not there anymore and there's no way to put anchors...
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    Eliminating 90 degrees elbows. Is it worth the effort? Pictures

    I'm in a process of changing the Vari-Flow valve that cracked. I think If I turn my sand filter 90 degrees I will be able to get rid of 2 close 90 degrees on the inlet side and one 90 degrees turn on the outlet side. Is it worth the effort? This is inground 20 by 40 pool, the pump is 1 1/2 hp...
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    Is "Limited Manufacturer Coverage" for IN THE SWIM solar covers is a real deal?

    Considering options after my solar cover started to lose bubbles after two seasons. Does "Limited Manufacturer Coverage" actually works or it just another bait?
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    Is this a time for a new solar cover?

    Had my solar cover for 2 years and at the end of the season noted more and more round plastic things from the bottom of the bubbles. Is this sign that the cover has to be replaced or I can drug it through another season. What are the criteria to replace the cover for you, guys? That's the cover...
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    Closing with Poly60 Vs Closing with SLAM level.

    I see that pool can be closed with Poly60 and normal chlorine level or Slam level without Poly. What are advantages and disadvantages of each method and what would you recommend? Thank you
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    What brand of polyquat would you recommend?

    First time closing following instructions , trying to do everything right way. Found this on Amazon Amazon.com : Algae Prevent 60 (Polyquat) 1qt : Swimming Pool Algaecides : Garden Outdoor Is this ok? what do you, guys, use.
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    Is pH of 7.0 acceptable if water is crystal clear and pool under control?

    After loosing battle with algae for two years I've decided to get Taylor kit and follow advice from this great website maintaining my pool. First time in years my pool is not getting green on and off and staying clear. All chemistry is OK,except for PH that 7.0. Chlorine holds well, CC is 0...
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    Choosing new liner. Embossed liner option.

    We are about to replace our old liner. There is some nice options with embossed liners. I like the look and idea but worry about potential difficulty with hole repairs, algae growth and possibly cleaning since it's not smooth. Any advice on that?
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    Stop and Shop Guaranteed value Brand of Chlorine.

    I've yelled at my wife today for saying there is no chlorine percentage on the bottle of Guaranteed value "Regular Bleach" at Stop and Shop. She got me one bottle for a good price of $1.5. Guess what . She was right . Does anyone know what the % of chlorine this thing is? For regular 6% the...
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    How much cover overlap do i need for my rectangular pool?

    I own 20' by 40' pool and ordered solid cover 25' by 45' exact size to cover it. I want to keep water below my return lines and in this case I will have about 9-8 inch overlap on each side. Having a second thought now. Should I go with next size and get 30' by 50' cover' ?
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    Can I ran skimmer line for a while with other jet closed ?

    I want to try and determine where I'm loosing the water. Is it OK to run skimmer only or other jet only for a while? I have 1.5 hp one speed motor and one jet and one skimmer on suction side? Also , Can I loose water on suction side while pipe is running? slamming my pool now and seeng...
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    Is it easier to find a hole in liner when there is no water?Or should I keep looking?

    I have a leak and water was dropping up to inch to 3/4" when it was full . Now the water is below all jets and skimmer and getting lower by 1/2 inch a day. Done bucket test many times and it's confirming the leak. Don't have bottom drain , so must be a leak in a liner . Can't find the hole...
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    It is official. My liner is not holding water. Where to look for holes? Can't locate

    My water is below jets and skimmer. I don't have bottom drain. Did bucket test and water dropping at least 3/4' a day. Can't locate any damage visually. Is there any area of liner that prone to leaking? Where i should look first?
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    Need new liner. Any suggestion for reputable online retailer?

    I'm facing a need to change my liner. The old one is ugly, torn, damaged and leaking in a place that I can't find. I used to work in construction business and very handy. Did my research and it seems like it's work I can do. My pool is rectangular with one skimmer and three jets, so nothing...
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    Any alternative to water bags for winter cover?

    I'm thinking what I can use instead of water bags for winter cover to hold it in place. Those bags kind of unsightly (according to my wife;). Any ideas?
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    FC rise and 8,25% liquid chlorine use.

    This is my first time using liquid chlorine . Used the "shock" powder from HD before that. Can you give me an idea how to calculate expected FC rise for 40 000gal pool from 8,3% one gallon of bleach.
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    Water turned brown. What to do?

    This is my third year with pool. After first two winters my water was greenish but not too bad so i was able to start the pool in a spring .This year it was stinking swamp with frogs and green slime in it. So, I've drained it completely and filled it from my pond. The water was slightly greenish...
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    What is acceptable level of evaporation?

    how much water should I loose per day (or week) in North East before thinking about dreaded leaks? I'm in CT. Today is 75 F, Humidity is 44%, windy, 9 mph
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    Should I use solar cover while shocking the pool?

    Evaporation is my enemy now with 20 by 40 pool and shallow well at my house. I'd like to keep my solar cover as much time as I can. I'm in a final stages of getting pool ready. Water is greenish but it's getting there. Can I keep it on while shocking?
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    Renovating existing pool. Need advice.

    Hi, I'm in a middle of renovating area around the pool .The pool is old but works fine. This is my third year with it. It's 10-20 years old .I'm not sure. I've removed the old ugly wood decking around it and now have a choice of just replacing it with composite decking (which is easy) or pour...
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    What is the best way to plug inlet/ outlet lines for winter?

    This is my second winter with pool and last winter I've used regular plastic plugs with tread and rubber O-ring. Is rubber plugs a better way to do it? If it is, which one is the best for 1 1/2 inch pipes? Thank you.
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    Mesh safety cover 101. Need help.

    Hi, This is my second year with 20 by 40 inground pool and I'm confused with using my green safety mesh cover. It is permeable and I have no problem with rain. But in a winter with somewhat heavy snow accumulation it caves in and looks kinda scary to me . It has spring clips and ancors in...
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    What is recommended winter water level for my pool

    This is my third winter with 20 by 40 rectangular vinyl liner pool in CT. The deepest end is about 9 feet deep, the shallow end is 4 feet. The first year was a disaster. I've bought the house close to the winter and before I know the ice was in pipes and a skimmer. Somehow the pool survived...