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Forum: The China Shop

Wanna to challenge the BBB Method? Wanna get technical? Just feeling cranky? This is the place!

  1. Suggestions on replacing pool equipment

    I have a 5 year old Aquapure 1400 SWCG system along with a Jandy RS PDA-PS4 (Wireless controller) that was installed when my pool was built. Over the...

    Started by aerangis‎, 08-10-2012 06:33 AM
    • Replies: 3
    • Views: 10,927
    08-18-2012 03:47 PM Go to last post
  2. Domestic pool turnover rates

    I couldn't agree more Mark, The chlorine kills what it can in under a minute, what isn't killed by chlorine has to be filtered out. How quickly...

    Started by Anonymous [GDPR] European in the UK‎, 07-23-2015 02:53 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 42
    • Views: 405,803
    09-13-2015 07:35 AM Go to last post
  3. Pool Guys: how do you deal with covered pools on route?

    Specifically, the solar "bubble covers" that some people use this time of year. Do you remove the cover to service that pool, dumping a week's...

    Started by autophil‎, 05-23-2014 11:54 PM
    • Replies: 2
    • Views: 14,549
    05-30-2014 08:23 AM Go to last post
  4. Question Question for the chemists

    My G25 Nature 2 cartridges hit $120 this year so I started searching for: 1. Cheaper cartridges. 2. Proof that it is worth the money. Whilst...

    Started by Berggy‎, 07-05-2011 01:27 PM
    • Replies: 2
    • Views: 7,583
    07-08-2011 01:40 AM Go to last post
  5. Water to Acid vs Acid to Water

    ============================================== Acid+water posts moved from: www.poolforum.com/pf2/showthread.php/23086...

    Started by BigDave‎, 04-27-2014 11:54 PM
    2 Pages
    1 2
    sticky-acid
    • Replies: 13
    • Views: 139,253
    05-12-2014 12:14 PM Go to last post
  6. Cool The Great Nature2 Debate

    Nature2 IS too good to be true. See if you can figure out how it works....good luck! What N2 does is dump silver and copper into your water. ...

    Started by CarlD‎, 06-25-2010 11:51 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 31,527
    06-27-2010 10:28 AM Go to last post
  7. New China Shop Topic: How Accurate is the Pool Calculator?

    Today I saw this post from one of our regular posters, AnnaK, whose contributions are always welcome. So I decided to manually calculate the...

    Started by CarlD‎, 06-10-2011 09:09 AM
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 22,129
    07-25-2011 02:31 AM Go to last post
  8. Solar Covers and UV Rays?

    I've noticed over the years that when my solar cover is in place, my chlorine levels don't drop as fast. I can think of several reasons for that: 1....

    Started by CarlD‎, 05-31-2011 04:31 PM
    • Replies: 2
    • Views: 9,226
    06-01-2011 04:17 AM Go to last post
  9. Cool Can I Use Salt As Sanitizer Instead of Chlorine?

    I'm having a hard time finding information on using high saline as a permanent, maintenance-free solution. To avoid corrosion issues, I envision on...

    Started by catfish‎, 07-05-2012 06:44 PM
    4 Pages
    1 2 3 ... 4
    edit, sticky
    • Replies: 35
    • Views: 256,259
    09-07-2012 12:57 PM Go to last post
  10. Testing Drinking Water

    Can Phenol Red be used to test ph levels in drinking water? I am on a well that has a soda ash feeder to increase the ph to acceptable levels. I used...

    Started by ccs717‎, 07-17-2013 01:02 PM
    • Replies: 0
    • Views: 13,298
    07-17-2013 01:02 PM Go to last post
  11. Would you want this in your pool?

    Didn't know where else to put this that would be appropriate, so here it goes...... Looking on amazon for a solar cover for my pool, I came across...

    Started by Charlie_R‎, 08-13-2012 08:37 PM
    • Replies: 1
    • Views: 10,279
    08-13-2012 10:23 PM Go to last post
  12. Pool Water Chemistry (Warning: Can Get Technical)

    This thread presents my findings so far on pool water chemistry including the following: More Accurate Calcite Saturation Index (CSI) to replace...

    Started by chem geek‎, 07-16-2006 04:15 AM
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 194,714
    06-02-2007 02:28 PM Go to last post
  13. Acid/Base Demand Test

    Evan (waterbear), The acid and base demand tests actually do not make any assumptions about the alkalinity which is why such tests are in fact...

    Started by chem geek‎, 07-21-2006 09:51 PM
    • Replies: 8
    • Views: 10,851
    07-23-2006 11:27 PM Go to last post
  14. Breakpoint Chlorination

    This thread is to discuss breakpoint chlorination. Does it work? If so, under what conditions? If not, then how do you get rid of Combined...

    Started by chem geek‎, 08-11-2006 02:53 PM
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 20,340
    09-20-2006 07:53 AM Go to last post
  15. Info from Clorox on using their bleach for pools

    In trying to determine if the percent concentration of bleach on the Clorox bleach bottles and on their Material Safety Data Sheet (MSDS) forms was...

    Started by chem geek‎, 09-13-2006 01:22 PM
    2 Pages
    1 2
    bleach, sticky
    • Replies: 17
    • Views: 28,211
    09-22-2006 10:32 PM Go to last post
  16. Downsides to salt pools

    OK, I'm starting a thread to examine the downsides to a salt pool. Yes, there are many benefits and these have been talked about on other threads,...

    Started by chem geek‎, 12-22-2006 03:12 PM
    6 Pages
    1 2 3 ... 6
    pix, salt, sticky, swcg
    • Replies: 56
    • Views: 114,164
    09-12-2007 03:18 PM Go to last post
  17. Disinfection Rates and Minimum Chlorine Levels

    The purpose of this thread is to document the disinfectant Concentration times contact Time (aka CT) constants that determine how much of a...

    Started by chem geek‎, 01-04-2007 08:21 PM
    • Replies: 3
    • Views: 9,829
    01-06-2007 02:53 PM Go to last post
  18. CYA disappears over the winter

    This thread is a (vain) attempt to understand why Cyanuric Acid (CYA) levels drop precipitously over the winter for many pool owners. Before...

    Started by chem geek‎, 01-13-2007 04:03 PM
    • Replies: 9
    • Views: 13,896
    05-21-2007 12:54 AM Go to last post
  19. Pump Efficiency, Head, Flow, and related technical info

    I'm adding this thread in The China Shop to move the more technical discussion that was originally started in this thread at post #14 and should get...

    Started by chem geek‎, 01-22-2007 12:55 PM
    2 Pages
    1 2
    pix
    • Replies: 13
    • Views: 16,471
    02-01-2007 11:39 PM Go to last post
  20. Pinellas County, FL Pool Study 1992 (1994)

    This thread presents my analysis of a study entitled, "A Comprehensive Study on The Microbicdal Properties of Stabilized and Unstabilized Chlorine...

    Started by chem geek‎, 03-24-2007 03:04 PM
    • Replies: 5
    • Views: 15,620
    04-04-2012 06:22 PM Go to last post
  21. Miscellaneous Short Discussions

    Carl, In this post you said that TA has a theoretical upper limit of 200 ppm. How is that so? There is a limit to calcium carbonate saturation,...

    Started by chem geek‎, 05-05-2007 10:39 AM
    • Replies: 3
    • Views: 8,316
    05-05-2007 12:34 PM Go to last post
  22. Cost Comparison of Chlorine Sources

    I originally posted the following on another forum, but thought it was valuable enough to post here as well. First, I describe exactly what is in...

    Started by chem geek‎, 05-07-2007 05:36 PM
    2 Pages
    1 2
    chemical cost, cost comparison, sticky
    • Replies: 18
    • Views: 171,648
    06-26-2013 02:10 PM Go to last post
  23. CYA and Lifetime of Chlorine

    After accumulating multiple pieces of conflicting evidence, I think it's about time to discuss and investigate the mechanism of how CYA protects...

    Started by chem geek‎, 05-11-2007 09:07 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 15,465
    05-14-2007 12:35 PM Go to last post
  24. Measured Density of Dry Chemicals

    (I also have this post duplicated at this post on the TroubleFreePool forum.) I just used some Borax for the first time to raise pH. Usually,...

    Started by chem geek‎, 05-12-2007 05:46 PM
    • Replies: 4
    • Views: 9,972
    05-13-2007 10:46 AM Go to last post
  25. Chlorine/CYA and Combined Chlorine

    This is a continuation of a discussion from this post. First, for information about the chlorine/CYA relationship, you can look at this thread. ...

    Started by chem geek‎, 05-19-2008 03:59 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 16,073
    06-05-2008 10:30 PM Go to last post
  26. Higher Calcium Levels & Stable pH

    This thread is in response to the question posed in this thread as it is a technical response (so belongs in The Deep End). The short answer to...

    Started by chem geek‎, 07-07-2008 11:20 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 13,860
    08-03-2008 07:58 PM Go to last post
  27. Monochloramine, Chlorine, CYA and pH

    This post is a response to this post where the response is technical so is going into The China Shop. Monochloramine is a weaker oxidizer and...

    Started by chem geek‎, 08-07-2008 03:12 PM
    • Replies: 7
    • Views: 9,419
    08-07-2008 10:23 PM Go to last post
  28. Natural Chemistry Instant Pool Water Conditioner

    There is a product by Natural Chemistry called Instant Pool Water Conditioner shown here. I wrote about this product on this forum in this thread. ...

    Started by chem geek‎, 05-26-2010 01:58 PM
    • Replies: 2
    • Views: 8,243
    06-22-2010 03:03 PM Go to last post
  29. CYA in a Bromine Pool

    In this post Ben wrote the following: While it is true that there is no evidence that bromine combines with CYA the way that chlorine does so does...

    Started by chem geek‎, 07-14-2010 12:26 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 19,508
    07-21-2010 07:28 PM Go to last post
  30. Calcium Hardness (CH) for Vinyl Pool Liners

    There is this discussion over at Trouble Free Pool that has uncovered the apparent fact that granulated calcium carbonate is the common filler in...

    Started by chem geek‎, 05-01-2011 03:48 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 165,329
    06-28-2012 08:46 AM Go to last post

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