pH & Total Alkalinity

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Muriatic acid question?!

by Guest » Tue 12 May, 2009 09:59

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Hi, I could use some advice I went down to my local pool store and had my water tested ( note I have well water and just filled my pool yesterday and...

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I would guess that what they are asking you to do is pour 1.3 gallons of acid into a 6.5 gallon pail, hence the 5 to 1. Of course this would mean...

1 Replies

2215 Views

Last post by Me...
Tue 12 May, 2009 10:16
High pH

by Bill C » Mon 11 May, 2009 22:13

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I have an outdoor pool with a pebble-tech finish. I installed a salt-water chlorine generator about 6 months ago and have been having problems...

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For an outdoor pool, we found that the higher CYA protects the chlorine from sunlight in a non-linear way so that even with a higher FC level for the...

3 Replies

1563 Views

Last post by chem geek
Tue 12 May, 2009 09:44
Ph and alkalinity is always high

by crow-toes » Wed 29 Apr, 2009 19:57

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i have a salt pool and the ph and alkalinity is always high i have added roughly 4 gal of acid but it is still high it is 14000 gal pool with a...

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The scale is calcium carbonate from having too high a combination of pH, Total Alkalinity (TA) and Calcium Hardness (CH). As Pooltech32 noted,...

4 Replies

4739 Views

Last post by chem geek
Fri 01 May, 2009 02:39
TA at 1100-1200 ppm!

by cocktailking » Mon 27 Apr, 2009 09:04

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High, i live on a volcanic island, and have struggled to reduce the TA of my jacuzzi. Have being going at it incrementally for about 4 weeks.
The...

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You can add as much acid as the acid demand test says you can. This will vary depending on your starting and target pH and your starting TA. As your...

5 Replies

1952 Views

Last post by chem geek
Tue 28 Apr, 2009 09:57
How do I lower TDS

by jennyspoolboy » Thu 23 Apr, 2009 16:26

First post

Today I took my water sample to the pool store and my TDS reading was 5000. My other readings were as follows:
Saturation index-1.4
TDS-5000
CYA-70...

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Thanks guys. I vacuumed my pool and drained then filled about 1/3 of my pool. Hopefully my TDS numbers will be down. I'm sure my pH and alkalinity...

3 Replies

6981 Views

Last post by jennyspoolboy
Sat 25 Apr, 2009 22:17
High TA with normal PH in salt water system pool

by Roger » Fri 17 Apr, 2009 14:50

First post

We are new at this!! We have a pebble tec pool with a salt water system. The TA is high at 180 and chlorine is showing at 0. Other checmicals and PH...

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If you aren't registering any Free Chlorine (FC) then either the saltwater chlorine generator (SWG) is broken or not turned on or you have something...

1 Replies

1969 Views

Last post by chem geek
Fri 17 Apr, 2009 17:08
Wrong Colors !?!
1

2
by JPlunket » Mon 06 Apr, 2009 20:19

First post

Using a Taylor test kit, testing for total alkalinity, the recipe is two drops of 007, five drops of 008, which turns green; then 009 dropwise till...

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If the Nature2 cartridges are adding enough copper to the pool to kill algae, then they will be effective, but that level of copper is also enough to...
11 Replies

5070 Views

Last post by chem geek
Mon 13 Apr, 2009 10:17
New finish - high Ph

by tigerpilot » Tue 11 Nov, 2008 21:00

First post

Naples Florida. Inground pool 9,000 gallons, Salt system. New finish is Florida Stucco exposed aggregate. CYA 80. Salt 3500, Temp 80.

I'm finding...

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I personally would get my Calcium up to about 150ppm, it will rise a little bit but not that much and you want to protect your plaster.

3 Replies

3138 Views

Last post by Pooltech32
Mon 06 Apr, 2009 23:22
Too much acid?

by zz28zz » Thu 28 Aug, 2008 08:09

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I have a 21,000 gal plaster in ground pool. My alkalinity (TA) was at 325 when I moved in 2 weeks ago. pH was 8.4... The guys at the local pool store...

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Hmmm...

this alkanility is something quite new for me and could explain why I have to add so much darn acid all the time :(

I'll try to have the...

2 Replies

2251 Views

Last post by Guest
Mon 16 Mar, 2009 04:42
Total Alkalinity

by Mercer » Sat 19 Jul, 2008 08:19

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I have a 16'x48" vinyl pool with a salt water system . It is working great but my total alkalinity is low any suggestion.

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My pool test kit told me TA was above 200ppm. I used 4 bottles of 7 LB hth pH minus to lowing total alkanility. However, now TA is 140ppm, pH is...

6 Replies

6363 Views

Last post by chem geek
Tue 10 Mar, 2009 21:37
High TA but low PH - water crystal clear

by mumto2boys » Thu 22 Jan, 2009 18:47

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My TA was reading at 200 and my Ph at 7.8. The pool shop told me to add acid to reduce TA and this would then also bring Ph down. I added the acid...

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Many thanks - will give the aeration a go and see what happens.

I appreciate the help! 8)

2 Replies

2074 Views

Last post by Guest
Thu 22 Jan, 2009 22:53
pool leak

by JimA » Mon 05 May, 2008 07:41

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I am an architect with a client who has just installed a 50x8x4foot deep in-ground, indoor swimming pool. He has determined that he is loosing about...

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Are you sure this is a leak and not evaporation? Do you live in a hot or dry climate? If my math is correct the pool is losing a little under an inch...

2 Replies

1936 Views

Last post by muss08
Wed 21 Jan, 2009 07:57
Low TA

by ricksass » Thu 01 Jan, 2009 13:13

First post

New IG pool owner in 2008. It's a SWG pool, spa spillover into pool in SW FL. I'm using the Taylor 2006 testing kit. In summer I was at 5.0 for TA...

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I keep my pools quite low in chlorine during the winter months, around 2ppm should be fine. I actually replace the salt cells for the winter with a...

4 Replies

2342 Views

Last post by Pooltech32
Wed 14 Jan, 2009 20:21
Help with Pool!

by Rachel Ashton » Wed 15 Oct, 2008 10:46

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We have a 27 foot above ground pool. It has gotten very green. The ph is is not registering and the akalinity is not registering either (using test...

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You can learn how to defeat algae (IF you have algae) by reading this article in the Pool School, but you should really get a good test kit since...

1 Replies

1248 Views

Last post by chem geek
Tue 21 Oct, 2008 01:48
hard pool water

by Christiancatmom » Sat 11 Oct, 2008 02:30

Is there another way to get the pool water softer besides draining and refilling the pool that you would recommend?

0 Replies

809 Views

Last post by Christiancatmom
Sat 11 Oct, 2008 02:30
high ph and good alkalinity in salt pools

by bill » Mon 08 Sep, 2008 00:22

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Having troubles lowering the PH in my salt system pools even though my TA is at acceptable levels. What can I do to combat this problem? I have added...

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SWG pools tend to rise in pH due to a combination of factors including greater aeration of the water and some outgassing of chlorine gas that doesn't...

1 Replies

2359 Views

Last post by chem geek
Mon 08 Sep, 2008 01:53
balancing pool properly

by rluns » Sun 07 Sep, 2008 12:28

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I am totally confused sometimes. I have bought fifty pound bags of soda ash. calcium hardness increaser and anhydrous calcium chloride. I need to...

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I suggest you read some of what is in the Pool School to educate yourself on what product goes with each parameter.

In what you listed, Calcium...

1 Replies

1461 Views

Last post by chem geek
Sun 07 Sep, 2008 18:43
high ph

by qhluvr344 » Sat 23 Aug, 2008 18:48

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I have battled with high ph all summer and have had trouble with low clorine and have had to clean alot for algae. I have crystal clear water though....

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Do NOT try and lower the TA using the slug or acid column method just described. Not only is it not very effective (as discussed here ), but...

3 Replies

2079 Views

Last post by chem geek
Tue 26 Aug, 2008 20:00
High pH, Good Alkalinity

by Tom1090 » Wed 20 Aug, 2008 07:44

First post

We returned from vacation to a dark green pool. We gave it a couple of heavy shocks, and all the green went away, but now it is cloudy, and the...

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So if you have a way to vacuum to waste, then you can use OMNI Liquid Floc Plus to accelerate the clearing (just follow its instructions adding the...

5 Replies

2917 Views

Last post by chem geek
Fri 22 Aug, 2008 20:25
talkanlinity high ph

by childress » Wed 20 Aug, 2008 18:09

can not get rid of algae, dark green,

algae eats chlorine pool store tested for 3 days 1st day no ch, ta 250

ph7.9 ca 90 ch 0 2nd day added 6lb ch...

0 Replies

1193 Views

Last post by childress
Wed 20 Aug, 2008 18:09

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