pH & Total Alkalinity

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Reduce Total Alkalinity Levels
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by Larry » Mon 16 Jan, 2006 16:24

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The acid slug method in this post has been discussed and disproved throughout this thread. Here is a safer and better method for reducing Total...

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If your pH is stable leave it alone
94 Replies

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Last post by Denniswiseman
Thu 20 Jul, 2017 16:52
Keeping TA up in small tub

by iamcanadian » Fri 13 Oct, 2017 00:00

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Hello Pool People, My issue really isn't an issue other than down time. In my public aquatic center we have 2 small hot tubs ( one at 500 Gallons...

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Are these hot tubs aerated as this will increase pH with no effect on the TA
So if you are lowering your pH with acid because of the aerating making...

3 Replies

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Last post by Denniswiseman
Fri 13 Oct, 2017 09:56
Muriatic Acid versus granular acid
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by DARTH DOUGY » Thu 12 Feb, 2009 15:31

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My question is in two parts:

(1) Is Muriatic acid in liquid form better to lower TA than granular products? I read an article that states that the...

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If you are currently reducing your pH up to twice a week then you may be aerating your pool water (fountain, infinity edge, waterfall or other...
34 Replies

69758 Views

Last post by Denniswiseman
Mon 09 Oct, 2017 02:27
PH went from 7.5 to <6.5 OVERNIGHT?! Help!

by Terribly Inept » Sun 24 Sep, 2017 03:02

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Hi all, hopefully someone can help me as I am utterly bemused by what is going on with my pool chemistry.
My pool is 10,000 gallons. I use a...

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Check your Cyanuric acid you may not be adding enough chlorine because your CYA is to high
An indoor pool only needs 20-30ppm CYA
Check out Chlorine...

1 Replies

59 Views

Last post by Denniswiseman
Sun 24 Sep, 2017 15:03
Sand in the bottom of my pool - can't fix
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by sandinmycrack » Tue 20 Jan, 2009 22:39

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I have had a slow but steady build up of sand from my filter on the bottom of my in ground pool for several months now. It first accumulates on the...

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16 Replies

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Last post by AnthonyEnror
Fri 25 Aug, 2017 14:44
Muriatic Acid did not lower Alkalinity
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by andre747 » Mon 29 Aug, 2016 18:46

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Hi everybody. I need help. Here are the steps i did. Took over a pool with high chlorine, no alkalinity, no PH, no CYA and hard 400 ppm. Waited for...

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Last post by Dennisshero
Tue 15 Aug, 2017 16:35
Very Low T.A. and dropping overnight

by monkeyhanger » Tue 16 May, 2017 05:55

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hi All, new to the forum and looking fir some help.
We have a 25mx10m pool (school) 0.8m shallow to 1.8 deep
The problem we have is constant low...

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Last post by Dennisshero
Tue 15 Aug, 2017 16:20
Is is safe to swim with high Alkalinity??

by Cari » Tue 03 Jul, 2007 19:15

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We are brand new pool owners. Our gunite/plastered pool was just completed and filled on Saturday (6/30) and equipment start-up was on Monday (7/2)....

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Hello,
No, it is not safe to swim with high alkalinity. The high alkalinity can cause problems with you as well as the pool. A pH above 7.8 can cause...

5 Replies

29132 Views

Last post by Denniswiseman
Wed 09 Aug, 2017 03:18
Alkalinity test on machine versus Taylor test kit

by Aaron19 » Thu 27 Jul, 2017 19:16

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I checked my Alkalinity using Taylor test kit. I got 110ppm
I went to a store and they checked it to a machine, they got 69ppm only.
Then they test...

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It's nicer to have a people that willing to help and share some very important information. I'll be here for my pool maintenance. I got more issue on...

4 Replies

90 Views

Last post by Aaron19
Sun 30 Jul, 2017 10:02
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Last post by martinglady
Fri 28 Jul, 2017 04:42
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Last post by merryramon
Fri 05 May, 2017 22:22
Can't Raise PH levels / soft water
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by Guest » Sun 30 Apr, 2006 16:25

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I can't seem to get my ph increased. Current readings are TA=160, PH=6.8, CH=250, Cy.Acid=95. Vinyl Liner pool in Minnesota. I did fill it with 50%...

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I've been having the same problem water is cloudy and oh low have been a aerating 3 hours and I'm already starting to see bottom of my pool, love...
14 Replies

36486 Views

Last post by Serenna
Fri 21 Apr, 2017 11:28
Structured approach to salt water pool chemistry, help please.

by Cameljockey » Sat 14 Jan, 2017 00:02

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HI all, I'm new to pool ownership but think I understand the basics, however re-starting a 55,000 litre pool is proving confusing. I would ask in...

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I use the Taylor K2006C which I have to get from the states as it's not available here in the UK
Have you checked out those links as there is a lot...

3 Replies

348 Views

Last post by Denniswiseman
Wed 18 Jan, 2017 16:38
High pH, normal TA, adding acid doesn't decrease pH

by jamescookmd » Sun 27 Nov, 2016 19:12

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I'm adding lots of muriatic acid to my pool and the pH doesn't change.

pH 7.9, FC 4 ppm, TC 4 ppm, TA 100 per Taylor test kit.
pH 7.9 per electronic...

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Hi James
A few questions
How do you chlorinate? A SWG tends to raise the pH
Do you have a waterfall or other form of aeration which raise's pH?
Does...

1 Replies

306 Views

Last post by Denniswiseman
Mon 28 Nov, 2016 05:22
Are sulfates a problem in Salt Water Pools?

by kamkuda » Wed 26 Oct, 2016 13:42

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I was told to stop using dry acid in my salt water pool because it adds sulfates to the water and they stay there. The levels will increase because I...

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thank you

8 Replies

319 Views

Last post by kamkuda
Sat 29 Oct, 2016 08:11
CYA not measureable?, TA high, ph Low

by eswenson » Tue 07 Jun, 2016 20:15

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I've got a 40,000 gallon pool with a CYA level that I can't measure (I'll explain), a TA that is now about 140ppm, and a ph that is 6.8 after adding...

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Ok, I'll get some cyanuric acid to try to raise the CYA. I'll put some liquid chlorine in in the mean time.

I have no idea why pH has gone up. I...

7 Replies

365 Views

Last post by eswenson
Mon 10 Oct, 2016 16:47
How do I raise my pH without raising my TA?

by lizzypaulk1014 » Fri 25 Jul, 2014 16:14

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We installed our pool 2 weeks ago and I still can't get the chemicals right. I NEED HELP!!!!!! Every time I try to raise my pH slightly, my TA goes...

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Aeration is the key
Adjust the return water so that it sprays into the air, maybe fit some pipe into the jets to get it out of the water
I use a...

6 Replies

5990 Views

Last post by Denniswiseman
Thu 29 Sep, 2016 11:27
Alkalinity targets different

by lmelanson » Sun 21 Aug, 2016 14:17

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Hi, I am new to your site. Received the TF 100 and started testing. I have owned the pool for 7 years so I am not new to water chemistry but am a...

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BioGuard largely promotes use of Trichlor tablets which are net acidic so need a higher TA level to have more carbon dioxide outgassing which raises...

5 Replies

271 Views

Last post by chem geek
Tue 23 Aug, 2016 06:40
Pool water greenish?

by jkik » Wed 29 Jun, 2016 19:23

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Okay so my pool water looks clear green. Could it possibly from the chlorine and blue liner?? I have a 3300 gallon above ground pool that's is 14 x...

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Reduce your TA with muriatic acid and aerate to raise your PH if it drops significantly
What is your CYA as an excessive amount will reduce your...

2 Replies

341 Views

Last post by Denniswiseman
Thu 18 Aug, 2016 08:52
Extremely High Phosphate count
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by Laura » Sun 02 Nov, 2008 14:06

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We have had a problem with phosphates in our pool since June. There was yellow and green alge in the pool at that time. We treated it as per our...

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What are your levels? If your CYA is high it will use a lot of chlorine
30 Replies

122337 Views

Last post by Denniswiseman
Fri 22 Jul, 2016 13:17

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