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  1. V

    What is priming exactly? And can it be removed? Priming makes my pump draw air when skimming

    I own a Hayward variable speed pump. Can you please explain to me how exactly priming works, I mean the technical details of the priming procedure ( I am an engineer, just not this field, you can go very technical). I guess it is somehow removing the air and building up pressure? Could priming...
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    Optimal (indicative) pump speed and hours per day for a 21,000 gallon pool

    I live in Florida, Gainesville. What is the pump speed and the number of hours per day that I have to Hayward variable speed pump on to save money and still have the pool clean? I guess it varies between summer, winter and spring/fall, but if there was some tool to compute the average values and...
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    Chloramines in the air - my lungs feels weird plus my eyes are in pain (tested negative to Corona)

    Did anyone ever tested the air for Chloramines? Since I am working home in my room (40 days) I feel something wrong in my lungs, especially when I breathe deeply. And my eyes are sore in the morning, it gets slightly better during the day. The eye pain actually started probably 1 year ago and is...
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    Hayward filter system: metal rod got stuck on the lid and came out. Pool maintenance said its ~$750 either to fix it or replace it

    Dear all, I am new to this forum, I am really impressed to see how many people here share the passion for pools and share their knowledge to help each other. I have a Hayward filter system. The label says MD C12002. Today the pool maintenance lady tried to unscrew the knob to change the filter...