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  1. Holydoc

    FC usage and air/water temp

    According to my graphs over the last few years, at: 90 to 95 water temp - SWCG is set to 35% 80 to 90 - 25% output Below 80 - 20% output I cannot say whether the water temp is the cause of FC loss or just the indicator of more UV exposure. However it is a good indication to me if I need to...
  2. Holydoc

    Accuracy of TFTkits Vials May be in Question...

    I have to agree with this. If I know that the Taylor vials (the company that makes the chemicals to test our pools) measure more accurately than xyz's vials, I am going to buy Taylor's vials to measure my water samples to test with Taylor's chemicals. That way I know the only errors are with...
  3. Holydoc

    Walmart has Chlorine Back on Shelves

    Bro, The difference with Walmart is that the date the chlorine was produced is stamped on the container. I have no idea how old the stuff from the PS is. :) Good Luck to you!
  4. Holydoc

    Walmart has Chlorine Back on Shelves

    Bro, At my Pool Store they claim their Chlorine is 12.5% but tell me to treat it as 10%. It is really hit-or-miss there. Once I could not get my pool adjusted right with it, so I had to reverse engineer using Pool Math and my final results to determine that the chlorine was only about 6%...
  5. Holydoc

    Walmart has Chlorine Back on Shelves

    Woody, I am hoping that it gets added to the grocery pickup option so I can just drive up and have it loaded into the car like I currently do my groceries. :) - - - Updated - - - $2.86/gallon currently. I am excited that it is back!
  6. Holydoc

    Walmart has Chlorine Back on Shelves

    Bought some of the 10% today. It was dated for mid December, but that is close enough in Winter time. Surprised they already started rolling it out. :)
  7. Holydoc

    help understanding CYA level in SWGC pools vs non

    Thanks all for participating in this thread. It is indeed very interesting to hear the WHY behind the HOW. It is also refreshing to hear that sometimes we have just not figured out the WHY yet, but from experience have figured out the HOW. As Camueller and Needsajet experiment more with...