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    Identifying unlabeled pool chemical?

    A friend gave me a pile of pool and spa chemicals. Amongst the collection was 3 unlabeled 3" white pucks in clear plastic wrap. They were not sure what they are. I suspect it is chlorine, and they look exactly like the trichlor pucks that I have, however those have a distinct smell to them...
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    Advice for drying winter pool cover with limited space?

    Hello. We have a 20x40 tarp style winter pool cover that is held down with water bags. I understand the process for draining the water off and cleaning it. My problem is I have nowhere to lay it out to dry. My front yard is small, as is my driveway. The back yard outside of my pool area is...
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    Cleaning hot tub air intake?

    Is there any way to clean the air intake on a hot tub? Longer explanation... We have an 18 year old hot tub that came with the house we bought in January. It looks to be in excellent condition for its age. For the first few months, I battled with a reoccurring chemical smell that makes you...
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    How to interpret SWG percentage in PoolMath app?

    I was just trying out the PoolMath app and I'm not sure how to intepret the SWG settings and recommendation under FC. I put in my current readings: 65,800 litre pool 25 CYA 2.5 FC 3.0 Target FC I have a Hayward TCELL940-CUL, which isn't listed in the app, but according to the Hayward website...
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    Combined Chlorine questions

    Hello. I have an in-ground salt water pool owner (see signature). Pool is 18 years old, but this is my first year of ownership. I had a pool company open the pool for me at the end of April. He shocked the pool and the water cleared right up. After a couple days, I put the solar cover on and it...
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    What is the purpose of this valve?

    I was wondering what is the purpose of this valve over top of my SWG and should it be open when the pump is running? I recently bought this house and I had a pool company come open the pool, but he left this valve closed (it was closed before he did his thing too). I just wanted to double-check...
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    Paramount Vanquish - A lot of air coming from one jet - Is it normal?

    Hi everyone. I've searched high and low and I can't find a good answer to this. I recently bought a house with a saltwater pool that has a Paramount Vanquish in-floor cleaning system. I had a pool company open the pool for me and the pool guy mentioned whoever closed the pool did not properly...
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    Variable speed pump with Paramount Vanquish in-floor cleaning system?

    I have a pool with a Paramount Vanquish in-floor cleaning system. I'd like to upgrade the pump to something more energy efficient, but I'm not sure if it'll be compatible with the Vanquish which requires a minimum flow rate to operate. Does anyone have any experience doing this? My current pump...
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    What am I doing wrong?

    In January, I bought a house that came with a hot tub (manufactured 2003). The previous owner said it had been sitting empty for a couple of years, but worked fine. Inside looked clean. Filled it up, balanced the water and starting around 3 weeks it was forming a chemical smell and by 6 weeks...