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    CYA vanished over winter?

    I have a TF-100 and have been testing CYA pretty regularly during the swimming season here. Last August/September I was getting CYA readings around 30. This spring when I tested, I was getting a reading of 0...it was as clear as if I was testing tap water. The test is working - I tested a...
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    Low pH and TA, High CYA

    My friend just bought a house with a pool that's 5 years old. 16,000 gal, inground vinyl, sand filter, solar + gas heat. The previous owners were apparently only using Aqua Foot tabs (trichlor + zinc). There are no other chemical pails lying around for TA/CH/PH etc., so I guess they never...
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    Dazzle Pure and Simple Activator

    When I first got the pool (19,500 gal, IG vinyl) a couple of summers ago, the company that built it gave me a bunch of chemicals. They'd dumped in some stuff to start and I used the free stuff they gave me (PH+, Calcium, TA+, etc.) but there was a product called "Dazzle Pure + Simple Activator"...
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    FC Loss

    I'm pretty new to the pool thing - we just got ours last summer. Started out with the pool store chemicals but quickly found this site, picked up a TF-100 while in Minneapolis and started with BBB last fall. Pool was very murky at opening (dark green/black water, maybe 1 foot of visibility)...
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    High TA

    Hi all, I'm pretty new to pool ownership - we just had ours put in in early August. The company that sold me the pool set me up with a lot of products - Dazzle "Pure and Simple" is the line...it's kind of confusing. Everything is prominently branded Dazzle and "Pure + Simple" but there's not...