pH & Total Alkalinity

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high pool alkalinity after refilling with mains

by hin83 » Thu 26 Jul, 2007 02:54

First post

after refilling the pool with mains water . after refurbishment of pool suface. i have a high total alkalinity of 250+ but my ph is good at 7.4....

Last post

You follow the procedure outlined in this post . It's going to take a LOT of acid -- both to get the pH low and especially to add during the aeration...

1 Replies

1411 Views

Last post by chem geek
Thu 26 Jul, 2007 12:07
How do I bring TA down just a little?

by Amy » Wed 25 Jul, 2007 09:58

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My TA is 130 and PH is 7.4. I like my TA at 110. I have sodium bicarbonate to raise it but nothing to lower it. I may have some myratic acid but i...

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Unless you have a problem with rising pH over time, you don't really have to lower your TA level (unless your pool is way over-saturated with calcium...

1 Replies

1531 Views

Last post by chem geek
Wed 25 Jul, 2007 12:02
Starting all over again -- how do I do it right?

by CrazyMan » Mon 23 Jul, 2007 15:32

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I posted the thread before about my pH not increasing. Well, I finally got it up, and it turns out my CYA level is insane (probably 200+). So the...

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Are there any good test kits that use the strips, or do drop tests work better? I have a bunch of Aquacheck strips that check pH, Alk, CYA, and free...

2 Replies

1393 Views

Last post by CrazyMan
Tue 24 Jul, 2007 19:43
haze on water surface

by furball » Sat 21 Jul, 2007 00:01

First post

I have a haze on the surface of my pool water ,cloudy water, and skin feels sticky after swimming. MY TA is high 180or higher, as is the ph 8.1. I ve...

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The haze could be oils/suncreens etc. A scumball in the skimmer will really help if thats what it is.

1 Replies

1655 Views

Last post by Backglass
Sat 21 Jul, 2007 19:09
Where can I purchase Muriatic Acid

by pkuiper » Tue 17 Jul, 2007 09:44

First post

Where can I purchase Muriatic Acid?

Im in East Providence, RI

Thanks

Last post

They may also call it "Hydrochloric Acid" or "Acid Wash"...all names for the same thing.

7 Replies

3769 Views

Last post by Backglass
Fri 20 Jul, 2007 15:10
adjusting alkalinity

by GABE THE POOL GUY » Thu 19 Jul, 2007 18:19

First post

im currently new to pool matienence and most of my pools are now high to really high in alkalinity / ph ta of 120 to 280. most of my pools have a ph...

Last post

To lower pH and TA together (mostly the pH), you just add the acid any way you like, but SLOWLY since it can be harmful (I pour slowly over a return...

2 Replies

2432 Views

Last post by chem geek
Thu 19 Jul, 2007 21:13
Cloudy Pool Water - Too much baking soda??

by summerguy1234 » Mon 16 Jul, 2007 09:45

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I have an Aqua Leisure 18' x 4.5' (deep)- 6,000 gallon easy set vinyl pool - using it for my 2nd season and still can't figure the right balance of...

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I will get a better testing kit and post numbers as soon as I can - thanks. Is the pool safe for swimming today or tomorrow?

2 Replies

8323 Views

Last post by summerguy1234
Mon 16 Jul, 2007 13:42
Hi PH and Hi TA

by FloridaFlash » Sun 15 Jul, 2007 10:08

First post

I've read many of the posts on this forum re: PH and TA. Most of them refer to good PH levels, but High TA. My problem is that I always have high PH...

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See this post for the procedure. When the TA is high, then the tendency is stronger for the pH to rise. So what you are seeing is not at all unusual...

2 Replies

1952 Views

Last post by chem geek
Sun 15 Jul, 2007 13:53
cloudy light green water no ph high alk

by katheguard33 » Sun 15 Jul, 2007 07:17

First post

I have an above ground pool with light green cloudy water, NO ph, and VERY high alk. I adjusted the ph with a Riser, then added Muratic Acid to lower...

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Using your test kit, please post a full set of numbers so we can see where you are at. Otherwise we would just be guessing instead of helping!

1 Replies

1128 Views

Last post by Backglass
Sun 15 Jul, 2007 10:09
How much chlorine?

by Mishie » Sat 14 Jul, 2007 18:38

First post

I have a 441 L pool and i want to know how much chlorine is needed for it to be sanitary.

Last post

At least 3ppm on your test kit, bare minimum...possibly more.

Please post a full set of numbers from your kit so we can see where you are at.

1 Replies

1167 Views

Last post by Backglass
Sat 14 Jul, 2007 20:53
phosphate levels

by tntkress » Mon 11 Jun, 2007 21:15

First post

Larry, I am perplexed by my cloudy pool. After getting the water crystal clear after a month of effort, I could not get a measurable free or total...

Last post

Thanks for all the input, I do appreciate it.

It was my understanding that the phosphates were feeding the algae and the chlorine generator...

7 Replies

3282 Views

Last post by tntkress
Thu 12 Jul, 2007 09:11
Help with pH please!

by Suzy Shark » Wed 11 Jul, 2007 08:46

First post

The pH reading of my facility's hot tub has been yellow for the past week. We thought the acid injector might have been siphonning acid out of the...

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If the TA test turns red immediately instead of initially turning green and then adding drops to turn it red, then your pH may be below 4.5 which is...

1 Replies

1281 Views

Last post by chem geek
Wed 11 Jul, 2007 11:12
HELP

by Leslie_mss » Tue 03 Jul, 2007 11:57

First post

:( :(

My pool has been turning green on the bottom i get rid of it and vacuum on waste then in two days the green is back when i have my water...

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Can I use somethimg else beside ph up to raise my PH

Borax (Yup...20 Mule Team) will raise your ph while leaving your TA relatively alone....

7 Replies

2581 Views

Last post by Backglass
Tue 10 Jul, 2007 21:30
high alkalinity
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by Woods » Wed 20 Jun, 2007 13:50

First post

We have a salt system. What is causing our alkalinity to remain too high? We have added the acid once and are getting ready to add more.

Last post

The water is probably cloudy because you have no chlorine (that's what you reported) and an algae bloom is starting. You won't be able to conquer...
15 Replies

8214 Views

Last post by chem geek
Mon 09 Jul, 2007 18:27
Weekly maintenance

by Guest » Thu 05 Jul, 2007 18:52

First post

Lets say that all of my levels are where they are supposed to be and the water is crystal clear. How many days should I have untill the PH and ALK...

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My neighbor was doing weekly maintenance, (or haveing it done) and his pool was constantly haveing problems with alge or cloudiness.

I have...

2 Replies

1308 Views

Last post by carllieb
Mon 09 Jul, 2007 10:47
Ph & TA promblem

by Pat A Lewis » Tue 03 Jul, 2007 09:46

My PH has been reading low , I thought I was suppose to keep my TA @ 100 but the pool place told me to raise it to 130-150. I did not add a lot of TA...

0 Replies

1204 Views

Last post by Pat A Lewis
Tue 03 Jul, 2007 09:46
Muratic Acid

by Guest » Tue 03 Jul, 2007 06:18

First post

Pool store said to add 1/2 gallon of MA to pool at a time. Your saying not more than 2-4 cups then wait 3 days. I have about 4 gallons in my 13000...

Last post

Who are you talking to?

1 Replies

1382 Views

Last post by Backglass
Tue 03 Jul, 2007 09:31
Alkalinity Info.

by doug30 » Sun 01 Jul, 2007 22:47

First post

Hi all, first post here.

Another Alkalinity question for the pros.

We have a 30' above ground.

Filled with well (hard ) water last fall....

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You probably didn't notice the pH dropping before because your pool has a tendency to rise in pH due to the high TA. So any drop in pH just...

1 Replies

1775 Views

Last post by chem geek
Mon 02 Jul, 2007 00:34
pool levels
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by Mustard » Thu 28 Jun, 2007 07:54

First post

We have just set up our up ground pool and the water looks greenish colour. We have very hard well water with alot of iron. We have an 18' X 48"...

Last post

Have you added CYA and shocked yet?

Do you have a test kit to post your numbers?

Have you had your water tested for Iron before buying random...
10 Replies

5280 Views

Last post by Backglass
Sun 01 Jul, 2007 21:21
a possilbe ta/ph problem

by maxerious » Sat 30 Jun, 2007 15:49

First post

hello i have a inground 11000 gal saltwater pool and my alk is around 180 ph 7.8 total clorine is ok and so is free clorine i bought some ph minus...

Last post

You cannot lower TA permanently through acid addition alone. It takes way too long. Only a combination of aeration and acid addition lowers TA and...

1 Replies

1193 Views

Last post by chem geek
Sat 30 Jun, 2007 16:56

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