Hard Pool Water & Scale

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Scaling or leaching?

by scubamark » Mon 09 Nov, 2009 08:39

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In my understanding calcium scaling /build up on pool surfaces results from either leaching out of concrete due to low CH of water or scaling on...

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If they "run down" the pool walls it is probably scale from the concrete or plaster. We often see this in pools built on a high water...

3 Replies

5173 Views

Last post by Larry
Tue 24 Nov, 2009 04:27
White/Blue flakes in salt pool

by matt.alpine » Thu 11 Jun, 2009 19:30

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I have a fiberglass pool with a salt system and an auto cover. I am getting white and blue flakes that are settling on the bottom of the pool in...

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it is scale - and also if its larger flakes can be from the salt cell as well. KEep your pH lower - 7.4 and drop your alk a little bit.

3 Replies

3464 Views

Last post by Aquaclear-NZ
Wed 16 Sep, 2009 02:41
Rust Spots?

by dj000524 » Fri 08 Aug, 2008 15:39

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Bought my house 3 weeks ago with a inground gunite pool. Everything had seem to be going ok until the other day when I noticed what looks like rust...

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Iron from fertilizer, worm pup, chunk of trichlor directly on the plaster and of course the iron content in the fill water will cause brown spots....

4 Replies

12676 Views

Last post by czechmate
Tue 01 Sep, 2009 11:36
Scum

by gracielu » Sat 22 Aug, 2009 10:58

I have a scum that is building in the skimmers and now in the chlorinator. It starts as a tan color of putty consistency then turns black. Can anyone...

0 Replies

982 Views

Last post by gracielu
Sat 22 Aug, 2009 10:58
grey spots in bottom of pool

by hk » Mon 03 Aug, 2009 07:51

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I have grey spots in the bottom of my pool. I would like to know what these spots are and can they be removed. I tried brushing with a wire brush but...

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Is this a plastered pool? If so, when was it plastered?

2 Replies

4948 Views

Last post by geeman
Fri 07 Aug, 2009 10:22
Runing TF 100 CH Test

by Conehead396 » Thu 23 Jul, 2009 20:09

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I have the TF 100 test kit and have been happy with it other than I cannot seem to get the CH test down.

Pool store will show 220-260 and i will get...

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I took my test to work and got a 380 CH using the stirrer. I even got one to take home. The girl in the lab had a junk drawer with old ones that she...

4 Replies

2409 Views

Last post by Conehead396
Fri 24 Jul, 2009 23:17
Lemony taste in my pool water

by 2kids2cats2dogs » Sun 19 Jul, 2009 07:03

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I was wondering why my pool water has a 'lemony' taste to it? Other people have noticed it, my levels all seem to come out ok when I use the test...

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The lemony taste/smell is most likely from scented bleach.

For some reason, bleach makers have begun to add scents or flavors to bleach such as...

2 Replies

3407 Views

Last post by JamesWPoolperson
Thu 23 Jul, 2009 20:56
White powdery residue on walls

by fischerhaus2 » Sun 26 Apr, 2009 15:16

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We have a 3 year old fiberglass pool and we keep getting a white powdery residue on the walls. When you touch the walls the stuff comes off on your...

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can you test your pool water and post the results

most likely cause is calcium, however without seeign the results is kind of like asking how long...

3 Replies

6944 Views

Last post by Aquaclear-NZ
Tue 07 Jul, 2009 03:07
Cleaning calcium on 6 ft wall that meets pool water

by mfry » Sun 21 Jun, 2009 14:40

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Hi, I have a 6 foot vertical wall that runs the length of my pool (about 30 ft). It's a textured type of tile with brown grout. It's very hard to...

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Its a bit of a major, however an acrylic rather than a cement based grout in your tiles will work a lot better than whta you currently have.
There is...

1 Replies

1621 Views

Last post by Aquaclear-NZ
Tue 30 Jun, 2009 03:28
Can you dump salt in pool to decrease hardness?

by coffeegirl » Sat 20 Jun, 2009 10:33

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Will dumping large amount salt into pool without a SWG help the hardness? A friend did this and i'm not sure it is a good idea...

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Thanks for the info... I am goin to read more and get a better test kit. Once again the pool is NOT a SWG, it is a paper filter with chlorine system....

2 Replies

1750 Views

Last post by coffeegirl
Sat 20 Jun, 2009 17:03
Is all calcium chloride the same?

by dtw-dave » Sat 23 May, 2009 12:09

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Hi all ... I was just sold some Pool Season Calcium Increaser by my local pool store guy after he tested my water and he told me that my calcium was...

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The best test kits to get are either the Taylor K-2006 you can get at a good online price here or the TF100 kit from tftestkits.net here with the...

3 Replies

14267 Views

Last post by chem geek
Thu 28 May, 2009 12:24
A Question on Taylor Calcium Hardness Test

by smcrea » Tue 26 May, 2009 12:49

I am using a Taylor 2006 test kit. My Calcium Hardness is 280ppm

My question is with regards to the color change with the test kit.

I see a change...

0 Replies

895 Views

Last post by smcrea
Tue 26 May, 2009 12:49
Hardness and Salt system

by MIKEGOUGH1 » Sun 24 May, 2009 16:21

Salt softens the water, so what is the effect when you are trying to increase the hardness if you have a salt system. I have been purchasing the...

0 Replies

916 Views

Last post by MIKEGOUGH1
Sun 24 May, 2009 16:21
Weird looking black, dark blue rocks

by nataliefaith » Sun 03 May, 2009 21:10

We have a 15,000 gallon pool and jacuzzi. When I was cleaning the jacuzzi with a wire brush I noticed groups of dark black or dark blue little rocks...

0 Replies

970 Views

Last post by nataliefaith
Sun 03 May, 2009 21:10
Total Hardness mean anything?

by Jeffm » Thu 23 Apr, 2009 10:21

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When we talk about Saturation Index, does a total hardness mean anything, or are we just concerned about Calcium?

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Only the Calcium Hardness (CH) matters for the saturation index because what you want saturated in the water is Calcium Carbonate since that is what...

3 Replies

3491 Views

Last post by chem geek
Fri 24 Apr, 2009 12:34
t.d.s and temperature
1

2
by Colin O » Thu 18 Dec, 2008 06:26

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I've recently aquired a pretty basic tds meter and it got me wondering. The instuctions for many of these things say that they are for testing at a...

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7.3 pH is not low and 60 Alk is not critical, well depending on other factors. You never mention Calcium readings. And a steady 6-7ppm chlorine...
10 Replies

4938 Views

Last post by Me...
Wed 22 Apr, 2009 19:21
Salt generator and calcuim hardness

by park beam » Sat 28 Mar, 2009 09:13

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I am considering adding a Intermatic chlorine generator to my in ground pool. I had the pool resurfaced several years ago, and I am told that the...

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Hey geek

Thanks for the reply about hardness......I used 1lb of Super Sequia Sol and got hardness down to 300+.....

interested in all you comments...

2 Replies

2418 Views

Last post by park beam
Wed 08 Apr, 2009 10:01
Pool water softener

by redin » Thu 26 Mar, 2009 04:02

First post

we use well water for our home and pool. the water for our home goes through some filters a softener and a uv setup. do we need to use a pool water...

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Actually, test the water before and after your treatment system and post both results. You might get a wealth of advise.

2 Replies

1446 Views

Last post by Me...
Thu 02 Apr, 2009 00:33
Calcium Hardness rises rapidly

by photogold » Fri 27 Mar, 2009 17:49

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I have an ongoing problem with rapidly rising calcium hardness, and I have been refilling my pool every year. I never add chemicals that contain...

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You can buy replacement reagents relatively inexpensively here or directly from Taylor online. I don't know how you can make sure getting them from...

7 Replies

4873 Views

Last post by chem geek
Tue 31 Mar, 2009 17:57
Pool scale removal

by dino » Tue 24 Mar, 2009 05:59

First post

I have just drained my 55m2 inground tile pool here in Spain. The tiles and surfaces are full of scale. Our water is hard and we have high ph...

Last post

An acid wash is the easiest and quickest way to get rid of scale and calcification.

Basically you spread the acid over the scaly surfaces and then...

1 Replies

3307 Views

Last post by sleddy
Wed 25 Mar, 2009 03:26

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