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  1. D

    What type of bleach to buy?

    Okay, I'm up for using bleach instead of the pucks, but with a 14,000 gal pool, how much do you put in?
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    Yellow staining on vinyl liner

    Ran the diluted test 4 times (2 times per test for total of 8)... Mostly to ensure I was doing it properly and getting consistent results. Each time I was smack dab between 50-60... If anything, just a blip leaning towards 50 and I had my wife verify results with me...
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    Yellow staining on vinyl liner

    Thanks....I'll do test in morning.
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    Yellow staining on vinyl liner

    I'm sorry I haven't responded in a while as I've been dealing with a family tragedy. So, I just ran a new baseline to restart this whole process: From the K1000 CY= 0 BR=.0. pH=7.2 FC = 1 CC = 1 TC = 2 Calcium = 100 TA = 100 CYA = 100
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    Yellow staining on vinyl liner

    Okay, received my TF100 today and here are the results: From the K1000: CY = 5 / BR= 10 pH= 7.2 FC - 5 CC - .5 TC - 5.5 Calcium - 75 TA - 170 CYA - 100
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    Yellow staining on vinyl liner

    Had my water source tested yesterday. Here's the complete analysis although I wanted to have the report on metals. TC 0.1 FC 0.1 pH 7.5 TA 37 Calcium Hardness 12 Stabilizer 0 Copper .1 Iron .2 Borate 0 Now waiting for my TF100 test kit to arrive.
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    Yellow staining on vinyl liner

    Sorry, I meant to say Vitamin C, not calcium. It was very easy to get off...almost seemed algae-like. In any case, I'm bringing a sample of my water source (before pool/chlorine) to be tested this afternoon for metals.
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    Yellow staining on vinyl liner

    I found the culprit. I did your calcium trick and sure enough it came right up. Now back how do I keep it from coming back or should I wait til I get the new kit and then test? That seems appropriate for now. Your thoughts?
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    Yellow staining on vinyl liner

    Hi Pat - Just to let you know that I've been spending more time today looking through this site than doing my real job...yikes! I will try the things you suggested and I also purchased the TF-100 pool test kit. I should get it in a few days. :)
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    Yellow staining on vinyl liner

    Have yellow staining on vinyl...never had before. I have 24 ft round x 52" tall vinyl above ground pool with 16400 gal. Had water tested today using pool watch water analysis with the following results: total chlorine 6.0 free chlorine 5.9 ph 7.1 total alkalinity 71 calcium hardness 29...
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    New to this site. Had pool

    16400 gal 24 ft. round vinyl pool by 52" tall. Hayward DE Filter 1 hp.