Hard Pool Water & Scale

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Sand in the filter got hard - how to take it out?

by Hankiss » Sun 17 Jul, 2011 14:58

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Hi everybody, I need some help. I have recently changed sand in my pool filter. But after two months it got hard like a concrete. Therefore I have no...

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I have the same problem, if you should find an answer please post the answer. I thought it was my filter, so I went and spent 600 dollars and bought...

1 Replies

2557 Views

Last post by Efleannie
Fri 14 Sep, 2012 17:55
High Hardness in a saline pool

by susanaes » Sat 28 May, 2011 01:18

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I have a 9700 gl saline pool in FL and a friend of mine is taking care of it because I'm away for a few months.
He had the water tested at Pinch a...

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Lowering PH may be the solution in effort to curb adverse effect of high CH and its potential danger to plaster surface. PH along with the CYA, TA,...

4 Replies

5546 Views

Last post by czechmate
Tue 10 Jul, 2012 07:22
Opened pool to calcium deposits
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by momstime » Sat 25 Apr, 2009 16:20

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First post and I hope someone can help me...

We had our gunite pool with a SWG installed in the fall of 2006, just in time to have it closed for the...

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We have had a pool for 2 years now. The pool is clear except around the whole edge is a calcium rust build up. It is like sand paper. It cuts open...
16 Replies

13347 Views

Last post by Missy
Fri 29 Jun, 2012 14:25
soft water make up
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by Dan R » Mon 27 Feb, 2006 15:43

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Great forums here, very helpful!! I have seen some topics that have raised more questions, but for now...

My question is this: I have always gone...

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Just fix the problem with form in water.. Stop pump, the hose at the skimmer is getting air.
Push the clam all the way up and tight the clamp tight....
11 Replies

22340 Views

Last post by rockpk
Mon 28 May, 2012 07:41
Testing for hardness

by Mazile » Sat 15 Jul, 2006 12:58

First post

The pool company tested my water and told me my TH was 180ppm. They said to add 8lb hardness-raiser to my 26,000 gal pool (I'm not sure exactly what...

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normally it´s just a normal tiration. u take a definite volume of whater, let´s say 20.00ml add an idicator, and start adding EDTA drop by drop,...

6 Replies

6811 Views

Last post by Flora27
Fri 11 May, 2012 08:20
Scaling Issue?

by SLEJ » Thu 02 Jun, 2011 15:12

First post

Hi, I'm new to this forum and new to pool ownership.

We had our pool built in mid Sept 2009 and had roughness in our hot tub from the beginning (as...

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Ok, thanks all for your help.

6 Replies

3603 Views

Last post by SLEJ
Sun 05 Jun, 2011 16:45
It APPEARS sand is stuck to my pool bottom

by Tom K » Sat 16 May, 2009 09:01

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I opend my pool this year and shocked it as usual. After just a few days, a sandy substance appeared on the bottom and side walls of the pool liner....

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Cool trick to get it out of the pool is use a wet/dry vac.

Next...sounds like a lateral is still either broken or not screwed in correctly because...

6 Replies

5370 Views

Last post by lisaa
Fri 27 May, 2011 07:37
Sand stone edging problem..help

by andyl » Mon 11 May, 2009 22:18

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Hi,

This is my first posting, and i am looking for some help.

We bought our house a year ago it has a salt pool with a sand stone coping. As...

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There sure is. I use a masonry sealer from Glaze n Seal. Laquer Sealer. It can be applyed with a paint brush, take great care as to NOT get any on...

1 Replies

1374 Views

Last post by Surface-Renewal
Fri 25 Mar, 2011 16:51
What is This (Picture)?

by Seahunt » Mon 06 Jul, 2009 14:56

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What is this? It showed up again this year. I believe it started below the water line but it is now above it. I have several spots. I raised my...

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If there is a planter just behind the pool wall it probably is leech. There is a way to combat it.
First, when most pools are gunited, the gunite is...

3 Replies

3536 Views

Last post by Surface-Renewal
Fri 25 Mar, 2011 16:43
Calcium Cloride and salt level

by Whalersailor » Mon 21 Jun, 2010 20:11

First post

Hi All,

Newbie to the site. I have a 35,000 gallon light gray plaster inground pool and I recently added about 35 pounds of calcium cloride to the...

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Yes it could cause a rise in salt level. However, the concern is what proportion to the water you add the same.

4 Replies

2723 Views

Last post by swimfit
Thu 23 Dec, 2010 05:08
Sandblasting calcium from pool walls and bottom
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by hatecalcium » Sat 06 Mar, 2010 12:51

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I have a tremendous buildup of calcium in my pool. I was being lazy and cheap, and was not keeping up with the muratic acid. I have well water in an...

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What you could do for the plaster surface, is what we do at Surface Renewal, have the tile cleaned by a professional pool tile cleaner. They would...
10 Replies

11209 Views

Last post by PoolTileCleaner
Fri 17 Sep, 2010 18:03
Pool walls brownish orange all over?
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by kturner » Sun 01 Aug, 2010 08:34

First post

Pool walls brown orange color?
Newbie here so this is it i have pool one year old and i have been fighting these stains below
the water line for...

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Iron test 2.45 TDS 2710 heater ? Drain some water.
21 Replies

21598 Views

Last post by kturner
Sun 15 Aug, 2010 13:21
Where to buy Dow Peladow or Dowflake?

by gto » Mon 19 Jul, 2010 19:15

Looking to raise CH. Anyone know where I can get Dow Peladow or Dowflake locally in Los Angeles, or if not, where do you guys usually purchase it...

0 Replies

1497 Views

Last post by gto
Mon 19 Jul, 2010 19:15
saltwater pool question
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by vin » Thu 24 May, 2007 11:54

First post

Hi all - first time poster here.

Just had my pool water analyzed & everything was fine, except the guy said my calcium hardness is low & I...

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my pool is 2 years old and at the lower end of the steel wall started to rust and bled thru my liner and put a hole in 2 spots with in 4 feet of each...
13 Replies

16799 Views

Last post by m-nahorn
Wed 02 Jun, 2010 19:28
Pebbtec and calcium deposits

by jg312 » Wed 26 May, 2010 21:09

First post

Just opened pool.

Pebbtec finish is as rough as sandpaper and has white particles on the surface as well as embedded in the plaster. Also, the...

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I have CH about 550, so trying to postpone partial draining I am lowering PH to 7.4, added salt to 1500ppm. Salt is good to have in moderate level...

8 Replies

33524 Views

Last post by czechmate
Wed 02 Jun, 2010 18:24
How do i add phosphates to lower calcium hardness?

by Guest » Fri 30 Apr, 2010 16:42

First post

i have a 37,000 gallon concrete pool. i am shocking it, but my calcium hardness is 480. everything else is within range. thanks!

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Oh yes, I did not even mention, that adding phosphates to a pool is really the last thing you want to do. It is what the algae feeds on. With...

3 Replies

5884 Views

Last post by polyvue
Thu 06 May, 2010 09:42
Calcium Service?

by ArizonaNative » Fri 05 Feb, 2010 01:50

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I live in Arizona and my water chemicals are out of whack. My calcium is over 800 and my cyanuric acid is over 150.

I have seen advertisements for...

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Yes they do. Some of them use reverse osmosis which pretty much removes everything in the water. Earlier systems used various methods of...

1 Replies

947 Views

Last post by chem geek
Fri 05 Feb, 2010 14:51
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

4755 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

3127 Views

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

by dj000524 » Fri 08 Aug, 2008 15:39

First post

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

12045 Views

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

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