pH & Total Alkalinity

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Milky, murky pool water

by LnMnMnS » Sun 15 Jul, 2007 22:43

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This is our 4th summer with our pool. The past 3 seasons we have had no problems whatsoever - clear water, etc. This summer we have had increasingly...

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You should also try to use a Clarifier like polysheen blue

8 Replies

23436 Views

Last post by lushman
Tue 22 Jul, 2008 07:39
No matter how much acid, my PH won't lower except my TA.

by Pool Guy 75 » Sun 20 Jul, 2008 15:47

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I've been experimenting with my 12,000 gallon pool lately to find out how to adjust my TA to its ideal range, as well as my free chlorine, CYA, etc....

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can aeriation actually cause PH to rise constantly? like the water jets in my pool which shoots water out in a river-flood fashion (kinda like the...

4 Replies

10076 Views

Last post by Pool Guy 75
Tue 22 Jul, 2008 00:06
pool water

by genene » Mon 21 Jul, 2008 15:05

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my pool water is crystal clear but my ph is below 6.8 . I added 40 ounces of ph plus but there has been no change. The water is still very clear but...

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Have you checked your TA? Chances are this is very low to 0. If this is the case you need to raise both. About 12lbs of pH up per 10000 gallons of...

1 Replies

1188 Views

Last post by muss08
Mon 21 Jul, 2008 20:18
Did I make a fatal error?

by justneedsomehelp » Sat 19 Jul, 2008 21:11

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Ran numbers today

CL 6

TA 30

Ph 7

CYA 80

Inground 22,500 gallon pool. Was using last of my pucks, started liquid bleach a week ago.

I...

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Just to show you that I am still a NOOB, I had the little lady look at the arm and hammer box and guess what, I DID BUY laundry detergent....

4 Replies

2322 Views

Last post by justneedsomehelp
Sun 20 Jul, 2008 17:07
how to Aerate

by mandm » Fri 18 Jul, 2008 02:01

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having a small pool i have been told to aerate my pool to lower TA. How should i do this in a 12ft.*36in. pool

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Any way you can. Turning up the return(s) to break the water surface will help. If you have a pool cover pump, you can use it to pump water from the...

1 Replies

2660 Views

Last post by chem geek
Fri 18 Jul, 2008 12:46
total alkalinity still to high

by mandm » Fri 18 Jul, 2008 01:51

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after adding pH minus to bring down the TA it only brought down the pH level from 7.6 to 6.8. what should i do to bring down the TA and not the pH...

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You need to aerate the water and then when the pH rises add more acid to keep the pH low -- the net result will be a lowering in TA. The procedure is...

1 Replies

2335 Views

Last post by chem geek
Fri 18 Jul, 2008 12:45
Which method is easier to measure alkalinity in pools' water

by vortex411 » Fri 18 Jul, 2008 08:16

Hello :) We have emergency here and wanna ask for your help.

Which method is easier to measure alkalinity in pools' water and which chemicals we...

0 Replies

984 Views

Last post by vortex411
Fri 18 Jul, 2008 08:16
small pools seem even more difficult to take care of

by universal0503 » Sun 13 Jul, 2008 17:06

what should the ph be in small pools 15ft diameter x 36 h? I find it difficult as the other person mentioned with alkalinity. the temps in texas are...

0 Replies

1040 Views

Last post by universal0503
Sun 13 Jul, 2008 17:06
chlorine tablets not desolving

by mat0527 » Thu 10 Jul, 2008 18:36

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my slow desolve chlorine tablets seem to be breaking down and sticking to sides of pool (vinyl) and floating on top of water.... help i am going on...

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What do you put your tablets in- floaters, skimmers, feeder?

1 Replies

1308 Views

Last post by muss08
Thu 10 Jul, 2008 18:58
high alkalinity, no free chlorine but high ph

by megan » Thu 29 May, 2008 21:18

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i just opened our pool and the alkalinity is high, my ph is high but my test strip indicates no free chlorine. thats 4 hours after i shocked and...

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If you just opened your pool and the pool was very dirty and green then chances are the chlorine was already used up. Could also be that your strips...

1 Replies

2445 Views

Last post by muss08
Fri 30 May, 2008 06:51
Alkalinity

by di2156 » Thu 29 May, 2008 12:12

First post

I have a high alkalinity level in my 20X40 in ground liner pool

every thing else is normal

How do I bring the alkalinity level down without...

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Follow the procedure in this post . The key is to strongly aerate the water at low pH and then add acid to keep the pH low and keep aerating. It...

1 Replies

2126 Views

Last post by chem geek
Thu 29 May, 2008 16:07
low chemical levels in pool

by jackieg » Thu 29 May, 2008 13:30

I just got my 18' x 48" pool installed and I put the chemicals in. I checked it three days later with a test strip and all colors on the strip...

0 Replies

1056 Views

Last post by jackieg
Thu 29 May, 2008 13:30
pH too high, TA too high, Hardness too low?

by happylioness » Sat 17 May, 2008 20:09

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We just bought a house with an in-ground pool with a vinyl liner. We installed a salt system when we had the pool opened a couple of weeks ago. I...

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Sounds like you have been invaded by little green mites from planet mother natureâ€¦â€¦.. all u have to do is give it a strong dose of Algae-Plus 32...

5 Replies

4287 Views

Last post by Mars
Tue 27 May, 2008 14:46
Can't get PH to come down.

by ptheoph » Mon 26 May, 2008 13:13

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I have a 20K gallon, in-gorund pool, using a salt system. I have added at least 6 gallons of muriattic acid to the pool over the last few weeks but...

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As I mentioned in my post, you do not add it all at once. Nevertheless, lowering the pH from 7.9 to 7.2 with your TA of 221 will take 13-1/2 cups of...

3 Replies

6445 Views

Last post by chem geek
Tue 27 May, 2008 03:37
very high alkalinity and ph is not stable

by cantera » Sun 25 May, 2008 14:00

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I have an above ground metal frame pool. I purchased it from walmart. It is 24 ft. round and holds 12000 gallons. I opted for the salt water pump...

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With a high TA of 600 ppm, if it truly is that high, the pH will not move very much even with 30 ounces of acid. In theory it would drop from 8.4 to...

5 Replies

5174 Views

Last post by chem geek
Tue 27 May, 2008 03:30
Alkalinity Problems in spa

by Di » Mon 26 May, 2008 13:40

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When testing my spa water for total alkalinity with my Taylor test kit, the sample turns blue, rather than green. If you then add the drops to make...

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The Total Alkalinity (TA) test will turn from blue to yellow instead of green to red when the sanitizer level (chlorine or bromine) is very high. So...

1 Replies

7758 Views

Last post by chem geek
Mon 26 May, 2008 16:25
reduced ta but ph is to low

by ann » Mon 26 May, 2008 08:55

I have an above ground pool 18 x48-the ta of my water was 400 ppm,add 3 gallons of muractic acid/water is now at 100 ppm, but my pH is at 6.8, how do...

0 Replies

1161 Views

Last post by ann
Mon 26 May, 2008 08:55
High PH High Alkaline When Treating How Long Before.........

by ItsAbbysMommy » Wed 21 May, 2008 21:18

First post

My PH is at 8.0

My Alkaline is off of my color tab (about 200 plus)

Chlorine 0

I only have a 12ft diameter 1700 gal above ground vin. pool with...

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Thanks! I will go and pick one up ASAP and post the new results. I was using test strips that only read chlorine, PH and Alkaline. I dont know much...

2 Replies

4478 Views

Last post by ItsAbbysMommy
Thu 22 May, 2008 12:53
High PH, Free Chlorine High, Total Alkalinity High

by Ozzy » Tue 20 May, 2008 18:43

First post

I have a 27' above ground pool - approximatley 15,000 gal. My pool water is cloudy green.

PH is high (8.4))

Free Chlorine high (10)

Total...

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Thanks for your response.

I use the AquaChek strips. I will get the test system you suggest. I am not sure the pH was 8.4...that is just what the...

2 Replies

2944 Views

Last post by Guest
Wed 21 May, 2008 16:57
high alkalinity

by Morty » Sun 18 May, 2008 13:09

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I have an 18 x 36 inground pool which I think is 36,000 gal. Our Alkalinity is 280 with a PH of 6.2. Over the course of 4 days we have added two...

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Aerate the water and add more chlorine as well. Aeration drives the carbon dioxide out of the pool and that raises the pH. When the pH gets higher,...

1 Replies

2258 Views

Last post by chem geek
Sun 18 May, 2008 14:18

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