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  1. jwfrank

    Does CYA get used up or disappear? definitive answer please

    Re: Does CYA get used up or disappear? definitive answer ple Thanks again, Richard
  2. jwfrank

    Does CYA get used up or disappear? definitive answer please

    Re: Does CYA get used up or disappear? definitive answer ple Richard, my pool is uncovered. I have a poorly designed infinity pool, so I keep the water level five inches below the pool edge. Therefore, there is no rain-caused run-off. And there are no scuppers - meaning I clean the pool surface...
  3. jwfrank

    Does CYA get used up or disappear? definitive answer please

    Re: Does CYA get used up or disappear? definitive answer ple Richard, I have the pool open five months June through October. I don't add chlorine during winter months when pool is covered. But water has been clean enough to enable 4ppm chlorine to be present at opening. I backwash twice a year...
  4. jwfrank

    Does CYA get used up or disappear? definitive answer please

    Re: Does CYA get used up or disappear? definitive answer ple BBBeliever, thanks for your time and post I have been using a Liquidator for the last 3 summers. Am very happy with it, and obviously, I havent needed to add CYA. Over the years, I have seen CYA drop about 20ppm/year which is why...
  5. jwfrank

    Does CYA get used up or disappear? definitive answer please

    When I started using this site 4 years ago, as a complete newbie, I quickly learned that CYA will ONLY diminish by splash-out. And yet, I have noticed my CYA has fallen from +100 levels to below 30 levels - and I have virtually NO splash out. (I add chlorine with Liquidator.) By chance I have...
  6. jwfrank

    How accurate must be DPD dipper amount??

    Thanks I will "downsize" from two scoops (which i thought was recommended) to one "heaping scoop" - and save some money in DPD
  7. jwfrank

    How accurate must be DPD dipper amount??

    Its hard to measure exactly one dipper because of the granular nature of the powder In another forum, our tireless expert Chem Geek wrote that the precise amount is NOT IMPORTANT QUOTE ........you just need to add enough powder to get a decent color. Any extra won't require more drops. Think of...
  8. jwfrank

    False pH reading with Taylor kit: stating the obvious

    Waterbear, point taken: Read and follow instructions I have noted the "stir dont shake" instructions, and honestly , have ignored at my peril Seriously though, what is the reason for SWIRL rather than shake to mix? It seems that in the FC test, the crystals dont always dissolve quickly, and...
  9. jwfrank

    False pH reading with Taylor kit: stating the obvious

    maybe I can help others. I have been helped enormously by this forum I occasionally have had very low, off the chart, pH readings when using Taylor kit. I would do a second test and the reading would be normal, where I expected it. The reason, I discovered, was that in the cases where I did...