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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: 58,226
    06-05-2006 01:53 PM Go to last post
  1. Please help me remove what looks like watery skim milk in my pool.

    I invited a problem in to my pool this year by using calcium bicarbonate to get water chemistry correct. Is there anything that will help precipitate...

    Started by Doug1540‎, 06-21-2013 05:06 PM
    • Replies: 1
    • Views: 8,335
    06-21-2013 05:30 PM Go to last post
  2. Lowering TA

    I found your sight and really appreciate your tips. However, when it comes to reducing the TA, you said, “Lowering it is a pain in the patoot”....

    Started by SLM29312‎, 06-18-2013 12:21 PM
    • Replies: 4
    • Views: 6,238
    06-19-2013 01:50 PM Go to last post
  3. High CH but no problems with pool is lowering CH necessary?

    Hi, I'm back from last year and tested this seasons water with a net gain of 300 ppm CH. My pool shows no problems whatsoever, the water is...

    Started by droweye‎, 06-18-2013 07:33 PM
    • Replies: 1
    • Views: 4,323
    06-18-2013 10:38 PM Go to last post
  4. High Ph yet Low Total Alkalinity - now what?

    Greetings to all Glad to be a new member. I just openned my 19' x 44' 40,000 gal. inground pool. It came with a house I've been renovating and was...

    Started by Bubbles‎, 06-12-2013 09:59 AM
    alkalinity, sticky
    • Replies: 7
    • Views: 21,533
    06-15-2013 04:36 PM Go to last post
  5. Total Alkalinity at 150

    My total alkalinity is at 150. How do I lower that? I emptied (mostly) my pool this past winter and refilled it after doing a little inspection. My...

    Started by Chuckles76‎, 06-03-2013 05:24 PM
    • Replies: 6
    • Views: 12,143
    06-09-2013 10:35 AM Go to last post
  6. Calciium problems in an Intex pool

    I recently dealt with an algae problem and got the water clean but it is extremely cloudy. A few day ago i got some DE to put in my filter and it...

    Started by justlane4‎, 06-07-2013 09:51 PM
    • Replies: 4
    • Views: 5,204
    06-08-2013 01:32 PM Go to last post
  7. Calcium hardness life

    I have an open bucket of Calcium Hardness thats been sitting for at least a year. Does it go bad? Thanks Dave

    Started by dansdad‎, 05-31-2013 09:26 PM
    • Replies: 3
    • Views: 4,380
    06-01-2013 08:02 PM Go to last post
  8. Understood about calcium and vinyl, but fiberglass????

    I understand calcium hardness test is not necssary for vinyl, but does fiberglass need testing?

    Started by dansdad‎, 05-31-2013 10:41 PM
    • Replies: 2
    • Views: 4,308
    06-01-2013 07:00 PM Go to last post
  9. Cloudy water - CH test at 1900!?

    I tested it three times in different places in the pool to make sure. Although I do chlorinate with cal-hypo I've never had this problem before (or...

    Started by tado921‎, 05-18-2013 05:04 PM
    • Replies: 5
    • Views: 6,184
    05-26-2013 12:47 PM Go to last post
  10. Caltreat for lowering calcium hardness in pools

    Has anyone heard of this product or used it to reduce calcium levels? Saw it online but not really sure if it works or we are throwing money away.

    Started by Linda needs help‎, 06-28-2012 09:54 PM
    2 Pages
    1 2
    attaboy, calcium, caltreat, sticky
    • Replies: 12
    • Views: 26,571
    04-05-2013 01:38 PM Go to last post
  11. Calcium Hardness

    My CH was/is on the high side. I had a reading of 550, drained about 25% of the pool and refilled, and it is now 425. FC = 7.6 TA=100 Temp...

    Started by kinetique‎, 11-15-2012 11:00 AM
    • Replies: 1
    • Views: 6,687
    11-15-2012 06:12 PM Go to last post
  12. PH keeps rising

    Alkalinity is 80, calcium hardness 220, TDS 1000, Phosphates 0, CYA 40. Chlorine stable at 2+ppm. I use 3" trichlor tabs but still am constantly...

    Started by Devon‎, 09-29-2012 08:56 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 25,306
    11-01-2012 02:44 PM Go to last post
  13. Cool Do Acid Feeders exist for salt water pools

    Is there any type of Acid (pH minus) feeders that can be used with chlorine generators in salt water pools to keep the pH near where it should be. I...

    Started by mnittler‎, 09-11-2012 12:21 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 22,246
    09-18-2012 11:33 AM Go to last post
  14. Unhappy Spring Pool Opening Problems

    I'm still trying to get my in-ground pool open for the summer: 21K gal plaster, Polaris 380 pool cleaner with PB-4 booster pump, Sta-Rite P4-R6 pump,...

    Started by JRDLEE‎, 06-24-2012 12:08 AM
    2 Pages
    1 2
    • Replies: 11
    • Views: 12,468
    09-12-2012 04:41 PM Go to last post
  15. calcium hardness

    17' x 48" summer escapes pool , do i need calcium hardness in pool or is pool supplt store tring to sell me something that is not needed for pool. I...

    Started by walker1‎, 09-08-2012 01:15 PM
    • Replies: 1
    • Views: 8,189
    09-08-2012 10:49 PM Go to last post
  16. Cool chl....down.....alk.....up......help!

    I'm sort of new to this .....had smaller intex pools summers ago.....nitemare to say the least emptied and filled 3 times......pool busted and I was...

    Started by cajunpoolmom‎, 08-13-2012 09:15 PM
    • Replies: 1
    • Views: 7,301
    08-24-2012 10:59 PM Go to last post
  17. Pool Calcium levels

    Several months ago we moved into a beachfront house with a VERY large pool--about 33,000 gallons. I have been maintaining it. It tends to prefer a...

    Started by beachfrontpool‎, 08-11-2012 02:59 PM
    • Replies: 8
    • Views: 12,456
    08-22-2012 11:39 AM Go to last post
  18. Deep Blue Water MP3000 Mpluse - does it work?

    Calcium climbs from 250 to 500 over 3 months, making it difficult to maintain a safe SI. TA @ 75 to 80 adj. to 55 to 60 using wheel, w/ CYA at 65. PH...

    Started by spibill‎, 07-30-2012 03:27 PM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 18,640
    08-07-2012 10:41 PM Go to last post
  19. very high alkalinity

    I read the sticky on alkalinity but I'm still not sure what to do or what the cause of my problem is. My pool is an above ground, vinyl liner job. My...

    Started by rbossert‎, 08-04-2012 04:48 PM
    • Replies: 7
    • Views: 11,182
    08-06-2012 12:05 PM Go to last post
  20. cloudy water

    After adding calcium hardness to the pool the water is cloudy. Total chlorine is 5ppm, free chlorine is 0.5, total alkalinity is 240, ph is 8.4...

    Started by Keith31‎, 08-01-2012 05:45 PM
    • Replies: 1
    • Views: 6,210
    08-01-2012 08:07 PM Go to last post
  21. Question Raising pH level wihout raising Alkalinity

    Have an 18,000 gallon in-ground concrete pool w/ pebblec-tec finish. Having difficulty balancing both pH and Alkalinity as they move together. Read...

    Started by JMannWV‎, 07-31-2012 10:31 PM
    • Replies: 1
    • Views: 6,938
    07-31-2012 11:28 PM Go to last post
  22. Lime Softening Bucket Test Question, confused...again

    I finally got around to starting the bucket test today. (many other non pool problems lately caused the delay) Anyway, added the T bleach and then...

    Started by Old Bat‎, 07-22-2012 02:48 PM
    • Replies: 8
    • Views: 7,129
    07-29-2012 09:41 PM Go to last post
  23. Alkalinity stuck at 0...after 50 lbs. Alkalinity Increaser

    The alkalinity is stuck at 0. After putting in 25 lbs. of Alkalinity increaser it did not raise. Another 25 lbs. of Alkalinity increaser and still...

    Started by heyaim‎, 07-20-2012 02:24 PM
    • Replies: 3
    • Views: 10,247
    07-22-2012 06:51 PM Go to last post
  24. High Alkalinity (175) but leaving for vacation

    My TA has been running between 120 and 130 this summer but I just tested and it came in at 175. Other readings: FC 1.5 (I was at 3.0 a few days...

    Started by moblaine‎, 07-15-2012 02:04 PM
    • Replies: 2
    • Views: 6,223
    07-15-2012 03:27 PM Go to last post
  25. Red face Need help with cloudy water

    I have an 18', 8000 gal Opera fiberglass above ground pool, this is the 4th year. It has been cloudy for about a month now. Have 4 step ladder and...

    Started by Yvonne‎, 07-06-2012 08:35 AM
    • Replies: 4
    • Views: 8,364
    07-07-2012 12:29 PM Go to last post
  26. White Streaks On Plaster Walls

    Drained pool 3 weeks ago because of streaks of what might be calcium. They would flake off with a scraper & dissolve. Had the entire pool buffed and...

    Started by wapate‎, 07-02-2012 02:35 PM
    • Replies: 1
    • Views: 9,779
    07-02-2012 03:29 PM Go to last post
  27. Cool pH/Alkalinity a little too comfortable?

    Hi all! First I would like to thank you all for the vast amount of knowledge shared on this board. Here's my question: I have a 15x26 oval...

    Started by throwrug‎, 07-02-2012 08:33 AM
    • Replies: 7
    • Views: 8,948
    07-02-2012 01:14 PM Go to last post
  28. Question Cloudy water??

    6/28/2012 CH 2 PH 7.2+ AL 230 Hardness 400 CYA 60 What is making the pool cloudy? I am still working on getting the AL down, was 300 when I...

    Started by Rosie700‎, 06-28-2012 08:26 AM
    • Replies: 7
    • Views: 9,530
    06-30-2012 09:21 PM Go to last post
  29. Brown pool

    I need help. We opened our second homemade inground pool this year that we fill with river/stream water. Are previous pool of 3 years was also...

    Started by Riverpixy‎, 06-16-2012 01:06 AM
    2 Pages
    1 2
    • Replies: 12
    • Views: 13,282
    06-27-2012 10:16 AM Go to last post
  30. Muriatic Acid in small pools?

    in your Using Muriatic Acid to Safely Lower Your Pool's pH article http://www.poolforum.com/pf2/showthread.php?13111 you say "We usually...

    Started by scornn‎, 06-14-2012 06:12 PM
    • Replies: 6
    • Views: 11,170
    06-20-2012 07:21 PM Go to last post

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