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    Adding CYA ahead of pool heater?

    Will adding powdered CYA to the skimmer basket damage my downstream pool heater? It's a gas fired Hayward with a cupro nickel heat exchanger. If all is good then I plan on adding it via the sock method in the basket. I did a search but didn't see anything stating one way or the other...
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    Liquid Chlorine...what's the difference between these two

    Can someone explain what the difference is in these to liquid chlorine solutions? One says the word shock and the other doesn't. Both have the same active ingredients. Or is the difference in the inert ingredients? Thank you, Dave
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    Opened pool last night, very low FC and CYA levels.

    I opened my pool late yesterday and ran the pump since then. I just tested my water using the Taylor K-2006 test kit. Not sure if my test results show in my profile so I'll list them below... FC: 0.4 CC: 0.2 pH: 7.6 TA: 80 CH: 120...I refilled the pool yesterday about 20-30% and our tap water...
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    Hi from Buffalo, NY

    Hi everyone, I'm from Lancaster, NY a suburb near Buffalo. I have a 21' round above ground pool. I've been using Simple Blue, recommended by my local pool store. Finding this site has been bitter sweet....super happy I'm here but my pool has gone neglected from chemicals for a few weeks. To...