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Forum: Dealing with Alkalinity and Calcium

High alkalinity and calcium levels are much trickier to resolve than the pool books indicate

  1. Exclamation Sticky Thread Sticky: FAQs & HOWTOs: Swimming Pool Alkalinity

    HOWTO: Step-by-Step Guide to lowering your alkalinity The HOW-TO has moved here: lowering-swimming-pool-alkalinity-step-by-step.html You should...

    Started by PoolDoc‎, 03-29-2006 10:50 AM
    • Replies: 2
    • Views: 46,907
    06-05-2006 01:53 PM Go to last post
  1. Total water hardness

    Used to be on this site years ago and just re-joined. I am not able to search for an answer to my question....Do any household products lower the...

    Started by jateibel‎, 07-28-2018 09:42 PM
    • Replies: 2
    • Views: 464
    07-28-2018 10:19 PM Go to last post
  2. Cool Questions about alkalinity and scale

    I was on this forum a while back and purchased the FAS-DPD chlorine test and I also have the total poolcare dpd test kit : I have a 25,000 gallon...

    Started by ddanderson2024‎, 07-18-2018 07:45 PM
    • Replies: 1
    • Views: 272
    07-18-2018 10:43 PM Go to last post
  3. Having difficulty lowering TA or alkalinity

    I have 27' x 4' Roung AGP with 24" hayward sand filter and 2 speed 1.5 hp pump. New pool set up showed no FC, no CYA, TA at 325, PH 7.0 Using BBB...

    Started by Sugarfoot‎, 07-12-2018 07:24 PM
    • Replies: 4
    • Views: 315
    07-13-2018 07:57 PM Go to last post
  4. Calcium buildup in SWCG

    I have a 16x32x52 above ground pool with a sand filter and salt generator. I have to clean the elements of the SWCG just about every other day. We...

    Started by Cdavidson77351‎, 06-15-2018 10:49 AM
    • Replies: 1
    • Views: 381
    06-15-2018 12:04 PM Go to last post
  5. Increased Ph 8.0? Should I decrease and if so, how?

    Pool looks good but numbers are so so. Cl is 4-6 cya 80 ph has been 8.0. Should I decrease it and if so how? I use the Taylor test kit. It's great....

    Started by cdingess‎, 06-16-2016 03:47 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 16,301
    05-31-2018 06:59 PM Go to last post
  6. Question about CH Test Coloration

    When using my Taylor test kit to test my CH the instructions say if CH is present the water will turn red. My water does not turn "red" it turns a...

    Started by jmarcum‎, 07-31-2015 05:18 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 13,884
    08-02-2015 02:34 PM Go to last post
  7. How much Calcium it too much?

    Since a Vinyl lined pool does not need calcium, how much is too much and what kind of problems can it cause?

    Started by LearningCurve‎, 05-12-2015 04:36 PM
    • Replies: 4
    • Views: 11,585
    05-30-2015 07:12 PM Go to last post
  8. Calcium Source and others...

    Is a calcium blend ( with cacl2, nacl, kcl, mgcl2) such as many brands sold online okay to use for increasing calcium hardness? How do you know...

    Started by Redwolf‎, 06-22-2013 04:13 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 13,334
    05-12-2015 03:31 PM Go to last post
  9. Strange issue with Alkalinity and pH

    I have a in ground pool, ~13,000 gallons, about 10 years old with pebble tech finish. It has a spa that spills into the main pool. I've always kept...

    Started by Charlie‎, 02-08-2015 03:32 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 17,162
    02-21-2015 04:05 PM Go to last post
  10. low alkalinity

    Ok...so I have a 2500 splash pad (slide, water features). For the last couple weeks I can't keep my alkalinity up. I am continually adding alkalinity...

    Started by angiedubberke‎, 08-19-2014 08:01 PM
    • Replies: 2
    • Views: 7,938
    08-20-2014 11:32 AM Go to last post
  11. One year Pool Owner and enjoying every minute of it.

    My pool is approximately 22,000 gallons with spa. It is salt water and uses Pentair equipment with four pumps. They are the filter pump, wet edge...

    Started by Spaceman‎, 07-14-2014 09:01 PM
    • Replies: 4
    • Views: 9,701
    07-17-2014 09:24 AM Go to last post
  12. Cannot Get Total Alkalinity to Go Down

    I'm new here. Hi to everyone and Thanks for having me as a member. This is the 1st time I have ever had a problem with Alkalinity being too high....

    Started by Dino1956‎, 07-13-2014 01:47 PM
    • Replies: 7
    • Views: 11,091
    07-13-2014 08:18 PM Go to last post
  13. Post New to forum - high Alkalinity

    3rd year with my Intex 9x18 pool. I had been going to the pool store for help, with lousy results. Finally tried the BBB method instead, and low...

    Started by Casauribe‎, 07-06-2014 03:18 PM
    • Replies: 4
    • Views: 9,083
    07-12-2014 10:54 PM Go to last post
  14. Calcium turned pool like skim milk

    Hi, I have a 16 x 24 above ground pool; took water to pool store for testing and it was recommended to add calcium; I did so and now my pool is like...

    Started by Jacqueline‎, 07-05-2014 12:38 PM
    • Replies: 7
    • Views: 9,512
    07-06-2014 01:58 PM Go to last post
  15. cloudy darkish water

    Hope I'm posting in right place. Chlorine-6 TA-80 CH-300 Ph-7.6 Those are my chemical readings and I use the taylor kit to test , but my...

    Started by fhorta‎, 06-18-2014 10:23 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 11,863
    07-04-2014 03:24 PM Go to last post
  16. pool got cloudy after adding pH UP

    Hello and thank you for reading this. Yesterday my pool was crystal clear. I checked the water and I was low on pH (7 - 7.2) as well as low on...

    Started by Limoges_swimmer‎, 06-23-2014 07:48 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 16,852
    06-26-2014 02:09 PM Go to last post
  17. Calcium Hardness

    I was told I need to add 45lbs of hardness plus to my pool and 8 lbs of conditoner. We have only lived in this house for 2 years. Pool was already...

    Started by elliott4865‎, 06-20-2014 02:46 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 12,783
    06-24-2014 10:57 AM Go to last post
  18. Smile New Pool build

    I am retired and had a pool (gunite) and spa built this spring for my wife and I and we have been enjoying it immensely. It is a small freshwater...

    Started by Usilpool‎, 06-18-2014 02:40 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 11,837
    06-23-2014 09:08 AM Go to last post
  19. Alkalinity High and pH low

    Just joining the pool world. Starting with 16ft 48" above ground Intex before we go bigger. Having a tough time bringing the alkalinity down without...

    Started by BMomma‎, 06-16-2014 02:42 PM
    • Replies: 6
    • Views: 10,698
    06-17-2014 06:59 PM Go to last post
  20. Lowering alkalinity on the cheap

    I've been seeing a lot about how to substitute expensive pool store stuff with things like grass clippings and paper (j/k) but the one thing I do...

    Started by Whetstone613‎, 06-14-2014 09:05 PM
    • Replies: 6
    • Views: 9,479
    06-15-2014 11:05 AM Go to last post
  21. total alkalinity & ph questions

    Although several people have told me that these two are the same, from what I read online they are connected but in fact not a single issue. My TA is...

    Started by jimcopland‎, 06-11-2014 05:47 PM
    • Replies: 1
    • Views: 9,735
    06-14-2014 03:01 PM Go to last post
  22. New here

    Hello all :) Great forum! New pool owner. I'll save my questions for after doing some reading first. Just wanna say thanks for having a great...

    Started by Big Splash‎, 06-03-2014 08:26 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 8,143
    06-09-2014 09:24 PM Go to last post
  23. New user looking for help with scale

    We put our pool in and started it up in the spring of 2005. It is a Hydraazo finish 18 x 36 at 9 feet at the deepest end. We figure it is about...

    Started by motion guru‎, 05-30-2014 07:20 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 5,368
    06-07-2014 01:51 PM Go to last post
  24. White Cloudy Water

    Hello: I have very cloudy/milky white water, I think because I mistakenly added PH minus and calcium increaser at roughly the same time, and I think...

    Started by ScosheOwn‎, 05-26-2014 02:46 PM
    • Replies: 8
    • Views: 3,741
    06-05-2014 05:18 PM Go to last post
  25. Stone tile calcium deposits problem

    How to clean stone tile off gunite pool thanks Dave

    Started by dansdad‎, 06-03-2014 05:04 PM
    • Replies: 3
    • Views: 4,097
    06-03-2014 11:01 PM Go to last post
  26. Thumbs up Calcium Hardness increasing (just curious)

    We had a monsoon that flooded our pool, so it took a couple days to get it back in order. I have been taking daily readings and noted that CH test...

    Started by banjeman‎, 06-02-2014 06:35 PM
    • Replies: 2
    • Views: 6,198
    06-02-2014 10:53 PM Go to last post
  27. Do I need to worry about low hardness?

    If this doesn't get moved to the right place, when I can post to the right place, it'll look like this: I have soft water, so my hardness is often...

    Started by Whetstone613‎, 05-30-2014 12:57 PM
    bioguard
    • Replies: 4
    • Views: 7,597
    05-31-2014 03:05 PM Go to last post
  28. Question Water Balance: Adjust alkalinity first, then PH . . . Or Not

    Alkalinity is over 200 PPM. In the past I have used muratic acid to lower it, but when I use the Arm and Hammer sodium carbonate, recommended by you,...

    Started by Marter, Dave‎, 05-10-2014 08:39 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 8,622
    05-30-2014 06:00 AM Go to last post
  29. Thanks!! Northern California

    Greetings from Sacramento . I had a calcium build up and it was from me taking care of my own pool for the last 4 years. It was only a matter of...

    Started by iErickS‎, 05-14-2014 01:06 PM
    • Replies: 2
    • Views: 4,352
    05-20-2014 02:24 PM Go to last post
  30. sides of pool feel like sandpaper

    Vinyl liner pool. 17,000 gal. Salt water. Intel Chlor. Last weekend pool was almost clear. Took sample in and was told to add a few things...

    Started by mkimberlycarter‎, 05-07-2014 07:07 PM
    • Replies: 1
    • Views: 7,648
    05-12-2014 03:41 PM Go to last post

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