pH & Total Alkalinity

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total alkalinity

by mick » Tue 07 Aug, 2007 07:31

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my alkalinity never seems quite right on my 3 way tester strips but my pool seems fine and my chlorine and pH is the right colour. Does this matter?...

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I put 9oz of an algae in my pool the first time. Then instead of 1oz a week later I put 9oz again. My water is cloudy. HELP!!!!

Call me crazy,...

3 Replies

2420 Views

Last post by Backglass
Mon 13 Aug, 2007 20:46
Fiberglass pool with TA and pH problems

by poolslave » Fri 03 Aug, 2007 01:50

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Hi,

I have a fiberglass over gunite pool with 24000 gallons. I have been told that the TA should be between 80 to 100 ppm and the pH between 7.4 to...

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You don't need to worry about the higher TA unless you have a big problem with the pH wanting to rise over time or if your CH is high and you are...

3 Replies

3098 Views

Last post by chem geek
Mon 06 Aug, 2007 12:02
Alkalinity Level - Who to Believe

by crokett » Wed 11 Jul, 2007 20:46

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I have the drops-type water tester. Tonight it told me pH was ideal but alkalinity was at 150PPM. According to the instructions it should be 100. I...

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your alk. should be (80-100) if the rest of your chem is ok a ALK can be 130.

1 Replies

1713 Views

Last post by steve 101
Sat 04 Aug, 2007 22:57
pool color & chemicals

by sparks » Thu 02 Aug, 2007 17:27

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we normally don't use to much chemicals in our pool. we do use shock, swim & shock, and chlorine tablets. Our pool got a greenish tint to it, but...

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we normally don't use to much chemicals in our pool. we do use shock, swim & shock, and chlorine tablets. Our pool got a greenish tint to it, but...

1 Replies

1065 Views

Last post by Backglass
Fri 03 Aug, 2007 09:03
insanely low pH and alkalinity -- chemicals didn't help
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by CrazyMan » Fri 20 Jul, 2007 16:59

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After getting a ton of algae all at once I had my 30' round pool water examined. Turns out pH was < 6 and the alkalinity was just above 0. So I...

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You've probably got metals, probably iron, in your water. They may have dissolved from the very low pH. You'll need to get your pH up to stop the...
19 Replies

28433 Views

Last post by chem geek
Wed 01 Aug, 2007 16:20
High total alkalinity and low PH

by gglmn » Tue 17 Jul, 2007 11:38

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I have High total alkalinity and low PH. Total alkalinty is 218, PH is 6.8, and I'm constantly adding PH UP. Can't seem to get it under control. I do...

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Well you are in a great situation for using unscented bleach or chlorinating liquid as your source of chlorine. I also have an opaque automatic...

4 Replies

15152 Views

Last post by chem geek
Fri 27 Jul, 2007 02:07
high pool alkalinity after refilling with mains

by hin83 » Thu 26 Jul, 2007 02:54

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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....

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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

1430 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

1549 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

1413 Views

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

by furball » Sat 21 Jul, 2007 00:01

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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

1689 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

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Where can I purchase Muriatic Acid?

Im in East Providence, RI

Thanks

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

7 Replies

3930 Views

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

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

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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...

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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

2495 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

9232 Views

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

by FloridaFlash » Sun 15 Jul, 2007 10:08

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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

1968 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

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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

1150 Views

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

by Mishie » Sat 14 Jul, 2007 18:38

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

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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

1181 Views

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

by tntkress » Mon 11 Jun, 2007 21:15

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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...

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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

3314 Views

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

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

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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

1295 Views

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

by Leslie_mss » Tue 03 Jul, 2007 11:57

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:( :(

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

2619 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

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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.

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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

8261 Views

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

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