+ Post New Thread
Page 1 of 12 1 2 3 11 ... LastLast
Threads 1 to 30 of 332

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: 56,394
    06-05-2006 01:53 PM Go to last post
  1. Cool A cheaper alternative to Grocery Store Baking Soda....

    For all of you out there that need on the order of 50+ lbs of baking soda a year.... Try your local Farmer's Co-Op. They use sodium bicarb as a...

    Started by msumoose‎, 04-13-2012 10:07 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 8,672
    04-20-2012 12:41 PM Go to last post
  2. adding baking soda

    When adding baking soda to rise Alkalinity do I just dump it in the deep end and spread around like acid or in the skimmer? Thanks Mike

    Started by mikewaterskis‎, 05-27-2006 08:59 AM
    • Replies: 5
    • Views: 19,333
    05-28-2006 02:06 PM Go to last post
  3. Adding baking soda when pH is high??

    I posted below about adding some calcium/alkalinity before going away this weekend. Another issue has arisen. I checked my pH this morning quickly,...

    Started by Henrys514‎, 06-13-2007 03:29 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 12,217
    06-17-2007 03:33 AM Go to last post
  4. Question Adding Calcium Hardness Increaser

    Thanks to all of you for this forum. Yep, another newbie question. Even though the directions say to add the CH increaser by broadcasting,...

    Started by JJParrish‎, 07-04-2006 11:52 AM
    • Replies: 2
    • Views: 7,834
    07-04-2006 12:52 PM Go to last post
  5. Adding calcium...when & where

    I need to add calcium to our pool and I think I need to do it soon. (concrete/plaster pool Calcium level at 100) I have been keeping my chlorine...

    Started by AndieP‎, 07-10-2006 12:29 PM
    • Replies: 4
    • Views: 3,804
    07-10-2006 01:32 PM Go to last post
  6. Adjust TA first, right?

    My PH keeps wanting to climb, unless I add acid about once every week or two. Don't have an SWG (wish I did!), and it has rained alot, so can't...

    Started by jnorris‎, 06-28-2006 07:27 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 10,190
    06-30-2006 10:07 AM Go to last post
  7. Question Adjust TA when chlorine very, very high?

    I'm in the midst of a battle with what appears to be that hard-to-kill algae. I've been running my FC in the mid-20's, gone to 30 and just now added...

    Started by dawndenise‎, 09-20-2006 11:08 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 10,241
    09-29-2006 07:17 PM Go to last post
  8. Adjusting TA down by 40 ppm when CYA > 100ppm; is this really necesary?

    Each time I've gotten my water tested at our local pool store, they tell me to adjust TA down by 40 points, since my CYA measures 100 ppm. Is this...

    Started by mmann3200‎, 07-09-2013 06:51 PM
    • Replies: 3
    • Views: 7,257
    07-11-2013 03:12 PM Go to last post
  9. Aerating... Question.

    I would like to give this a shot. I can't seem to get my pH up over 7.2 at all and my TA is sitting at 200. I have a 16x32 Vynle Lined Inground Pool...

    Started by Fueller‎, 05-29-2006 10:45 AM
    • Replies: 3
    • Views: 5,434
    05-29-2006 08:04 PM Go to last post
  10. Aeration / Acid Treatment to lower Alk

    Not sure if I have the answer to my question below, but I have successfully accomplished the Aeration / Acid treatment as suggested in the forum...

    Started by Donski‎, 06-25-2011 01:58 AM
    • Replies: 7
    • Views: 8,739
    06-27-2011 09:17 PM Go to last post
  11. Aeration and CL drop

    Yesterday afternoon I noticed a very slight yellowish tint on my pool walls so brushed them down and saw a slight yellow-brown cloud go into the...

    Started by Pamsel‎, 06-23-2006 11:46 AM
    • Replies: 0
    • Views: 3,775
    06-23-2006 11:46 AM Go to last post
  12. Aeration and its effect on pH

    How much areation for how long is needed to raise pH levels? I'm at 7.2 now and am targeting 7.6 TA is around 125 which I assume is fine for a...

    Started by JBfromNJ‎, 05-19-2007 12:45 AM
    • Replies: 7
    • Views: 15,533
    05-21-2007 12:31 AM Go to last post
  13. Aeration/waterfall and ALK question

    My pool is 1 year old, pebble finish/gunite pool. PH 7.4 FC 4.5 CC 0 CYA 40-50 ALK 70 CH 250 My ALK has come down over time. In looking...

    Started by JohnInSoCal‎, 06-13-2006 02:07 PM
    • Replies: 1
    • Views: 5,730
    06-13-2006 11:29 PM Go to last post
  14. Airate with Spill over Spa

    To lower my ALK can I use my spill over spa in Spill over mode ? (Not recirculate in the spa) It has 6 jets that can bubble a lot or does it need...

    Started by aswetich‎, 09-05-2006 09:00 AM
    • Replies: 2
    • Views: 7,414
    09-06-2006 08:28 AM Go to last post
  15. alk what is a good number

    just tested my pool today after shocking last night he are my numbers.what is a good reading for alk.I have been dealing wiht algea.Need to add more...

    Started by sisie5‎, 08-19-2006 12:10 PM
    • Replies: 5
    • Views: 7,591
    08-22-2006 09:44 PM Go to last post
  16. Alkalinity

    How high is too high for a vinyl pool and what do you if it's too high? Thank you! Pam

    Started by newbie2pools‎, 07-25-2006 09:08 PM
    • Replies: 3
    • Views: 5,895
    07-26-2006 06:31 AM Go to last post
  17. Alkalinity

    I bought a house three years ago with an older in-ground pool so I am a relative newcomer. I consistantly have a problem keeping the ALK in the...

    Started by bobgard‎, 08-01-2011 08:13 PM
    • Replies: 5
    • Views: 9,026
    08-09-2011 01:28 PM Go to last post
  18. Alkalinity and PH issues

    I just set up my first pool this year, a 25k gal above ground. Filled with my well water. After filling and filtering out a lot of iron with the DE...

    Started by Krizoid‎, 07-11-2013 12:48 PM
    • Replies: 4
    • Views: 8,391
    07-22-2013 11:23 PM Go to last post
  19. Alkalinity and pH relationship

    Somewhat confused on this topic. My TA is now at 130 (not too bad I believe for a vinyl lined pool). My pH usually drifts low (to about 7.2) and I...

    Started by JBfromNJ‎, 08-05-2006 01:54 AM
    • Replies: 1
    • Views: 6,584
    08-05-2006 09:56 AM Go to last post
  20. Alkalinity correction for high CYA

    I remember some postings on the old forum about a correction factor for TA if you have high CYA. So far, my searches here haven't turned up much. ...

    Started by nater‎, 07-20-2006 04:45 AM
    • Replies: 1
    • Views: 4,045
    07-20-2006 11:40 AM Go to last post
  21. Alkalinity FAQ

    I thought I'd repost the Alkalinity FAQ that PoolDoc had posted in this area of the old Forum, since I happen to have it saved: #1109, "Alkalinity...

    Started by VickieC24‎, 03-26-2006 06:47 AM
    • Replies: 4
    • Views: 11,577
    04-04-2006 10:03 PM Go to last post
  22. 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: 17,389
    06-17-2014 06:59 PM Go to last post
  23. Alkalinity reduction

    My Taylor book claims if you slug muratic acid in the pool rather than spreading it and splashing it, you will lower TA rather than reducing ph. Is...

    Started by bizbad‎, 03-08-2007 07:50 PM
    • Replies: 1
    • Views: 6,916
    03-08-2007 09:26 PM Go to last post
  24. 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: 9,508
    07-22-2012 06:51 PM Go to last post
  25. Alkalinity through the roof!

    I am trying to open our pool and it started with a black mud bath filled with millions of leaves. Right now it is brownish/green and we can see the...

    Started by denanbob‎, 04-27-2009 01:24 PM
    • Replies: 1
    • Views: 4,917
    04-27-2009 08:03 PM Go to last post
  26. Alkalinity with a vinyl liner

    Is it okay to keep the alk in a vinyl liner at 130-140 if the PH has stayed consistant at 7.5?:confused:

    Started by csevel‎, 06-30-2006 10:53 AM
    • Replies: 4
    • Views: 8,652
    07-03-2006 06:21 AM Go to last post
  27. Unhappy Alkalinity/ Pool Water Balance

    :( Can somebody shed some light on this situation for me I am ready to go nuts. I have a 18' x 48" round Intex Pool and this is my second year with...

    Started by crazyone2826‎, 07-05-2006 11:09 AM
    • Replies: 1
    • Views: 8,948
    07-05-2006 12:24 PM Go to last post
  28. Alkalinity?

    I know that lowering the alk is a slow process. We uncovered the pool a little over a week ago 4/23. Was a little green so added bleach until I...

    Started by savdoc2‎, 04-30-2006 11:12 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 39
    • Views: 23,081
    05-06-2006 08:53 AM Go to last post
  29. An interesting water map - image

    This might help to start off knowing your water. 'Hardness' is related to calcium hardness and alkalinity. We recently moved west about 90...

    Started by aquarium‎, 06-29-2006 10:59 PM
    hardness, pix, sticky
    • Replies: 1
    • Views: 5,764
    07-02-2006 09:18 PM Go to last post
  30. Another calcium question

    My friend has a 19000gal IG vinyl pool with a Zodiac DuoClear SWG, which uses the Nature2 cartridges. The owner's manual recommends CH of 200-400ppm...

    Started by Sumo1‎, 05-31-2007 12:45 AM
    • Replies: 0
    • Views: 4,005
    05-31-2007 12:45 AM Go to last post

+ Post New Thread

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts