pH & Total Alkalinity

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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

2322 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

975 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

1032 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

1297 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

2425 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...

Last post

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

2115 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

1048 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

4261 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

6127 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

First post

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

5056 Views

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

by Di » Mon 26 May, 2008 13:40

First post

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

7528 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

1152 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

4406 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

2918 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

2245 Views

Last post by chem geek
Sun 18 May, 2008 14:18
High alkalinity, high chlorine (above 5.0) 7.4 PH -

by RLB » Fri 09 May, 2008 12:59

First post

Subject specs causing green algae build up on pool walls is various places.

Spots brushed daily but return in 1-3 days. Pool is 34 years old, water...

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To answer this I would need to know all your pool chemistry specs. These include Free Chlorine, Combined Chlorine (or total), pH, TA, and Cyanuric...

1 Replies

1923 Views

Last post by muss08
Fri 09 May, 2008 21:51
Low TA levels, High PH

by DaveD » Thu 08 May, 2008 16:12

First post

I know this is a Pool site, but I have a hot tub and cant find any good advice anywhere else, so I hope you can assist me.

My Total Alkalinity is...

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If you have aeration of the water in the tub, either from an ozonator or from aerated jets, then this drives carbon dioxide out of the water and...

1 Replies

1848 Views

Last post by chem geek
Thu 08 May, 2008 20:48
High TA, Normal PH

by JoeATL » Tue 06 May, 2008 21:15

We have a salt water pool. Small pool, about 15 x9 foot and about 5 foot deep. Just a dunk pool. When starting up our pool our PH and TA went HI and...

0 Replies

1668 Views

Last post by JoeATL
Tue 06 May, 2008 21:15
Low PH and TA

by dbrook » Mon 05 May, 2008 13:28

First post

I have an 18' x4' Intex Pool. At beginning of spring, to reopen pool, (we had a small amount of algae on bottom of pool) I shocked pool and then...

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If the pool is really 5000 gallons (if it's 18x4x4 then that's more like 2100 gallons), then the amounts you are adding are not enough if the pH is...

1 Replies

1737 Views

Last post by chem geek
Mon 05 May, 2008 14:40
Too much alkaninity casue high level of cyanuric acid

by Mike B » Tue 29 Apr, 2008 20:25

First post

recently my alkalinity was 20 ppm. ph 6.2 Chlorine was 5.3 and I was told to add 40 lbs of ALKA +. I did so and then the Alkalinity was too high....

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You were probably given the wrong quantities to add. Adding it all at once makes no difference. Also, there is NOTHING that the pool store could have...

1 Replies

2137 Views

Last post by chem geek
Tue 29 Apr, 2008 22:23

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