Pool Surface Staining & Discolored Pool Water

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yellowed steps

by ksabatino » Tue 01 Jun, 2010 11:51

First post

any suggestions to get rid of yellow discoloration on white step of pool?

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The appearance of yellow spots around the stairs of your swimming pool can indicate that something is happening with the chemistry of the pool water....

3 Replies

3272 Views

Last post by paulbest
Mon 08 Aug, 2016 23:15
brown stain on fiberglass pool

by justden » Thu 29 Nov, 2007 19:35

First post

I have a small inground/indoor fiberglass pool with a geothermal heater, I have owned the house for about 6 months, so I don't have to much history...

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A fiberglass swimming pool is comparatively easy to keep clean. Frequent testing can help you maintain the optimal water balance. It is important to...

3 Replies

2647 Views

Last post by paulbest
Mon 08 Aug, 2016 22:56
Pinkish line

by Guest » Wed 09 Nov, 2011 11:46

First post

i have a pinkish stain that has appeared around the top of the pool. it has turned all the hoppers a pink colour. what causes this and how do i get...

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In swimming pools, pink slime is caused by improper water & pool maintenance, environment, poor circulation to name a few. The problem is...

2 Replies

1048 Views

Last post by paulbest
Mon 08 Aug, 2016 22:46
Liner has Organic Staining from Non-Use

by melenalynne » Thu 31 May, 2012 21:03

First post

We've drained our pool, and the pool company *said* they can't get the staining out. It's 95 degrees here, so maybe they just didn't want to fool...

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Properly cleaning a pool liner requires knowing the cause of the stain. If the stains are green or brown, then they are most likely caused by organic...

1 Replies

805 Views

Last post by paulbest
Mon 08 Aug, 2016 22:00
Rust stains on fibreglass pool
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by Mush » Wed 24 Jan, 2007 22:25

First post

Hi

A pool toy ripped leaving a lot of small metal balbearings on the bottom of our pool. While we were away on holiday for a week, these have...

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mineral deposits and chemical breakdown of metals are the topmost reason why there are stains on pools. however, utilizing the proper equipment and...
22 Replies

30960 Views

Last post by paulbest
Sun 07 Aug, 2016 23:15
CHELATORS vs SEQUESTRANTS

by tacoma5050 » Tue 20 May, 2008 11:13

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I found this on-line informaton about CHELATORS & SEQUESTRANTS very helpful. (attached below)

My question is: For control of iron from a pool...

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all chelators are sequestrants but not all sequestrants are chelators, You know what I mean? chelating compounds have a ring structure whereas...

3 Replies

11149 Views

Last post by paulbest
Sun 07 Aug, 2016 19:37
ring around pool
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by Gov » Sun 29 May, 2005 18:40

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Hi- My pool is only one year old.

It is above teh ground with a vinyl liner...

I have a grayish ring all around my pool at the water level.

It...

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Vinyl pool liners are less prone to stains than plaster pools, but they can occur. Metal stains, chemical stains and organic stains can occur on the...
11 Replies

25901 Views

Last post by paulbest
Sun 07 Aug, 2016 08:01
brown buildup or stain on fiberglass steps

by Daisy » Mon 01 May, 2006 17:17

First post

Hi

Opening up our pool this spring we have a brown stain or buildup on fiberglass steps and plastic parts like jets and skimmer parts. Otherwise,...

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A fiberglass swimming pool is relatively easy to keep clean. regular testing can help you maintain the finest water balance. It is important to have...

4 Replies

4991 Views

Last post by paulbest
Sun 07 Aug, 2016 04:36
Lime Green

by dlgrigg » Tue 03 Jun, 2014 18:34

First post

Hello all,
I have a pool that is lime green and perfectly clear hopefully I can attach a photo. So here' the problem I've checked for metals and find...

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bodies of non-moving water tend to collect bacteria and algae which grow over time and can change the color of your pool. A green pool is a dirty...

4 Replies

1849 Views

Last post by paulbest
Sun 07 Aug, 2016 03:09
Organic (Acorn) stains

by gren » Thu 27 Sep, 2012 10:01

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I have an outdoor pool with a large Oak tree nearby. During the Summer months squirrels drop many Acorns into the pool. While I scoop them out as...

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The primary stage in removing organic pool stains is with a shock of chlorine in the pool. Add a heavy dose of chlorine and scrub the stain with a...

6 Replies

8876 Views

Last post by paulbest
Sun 07 Aug, 2016 02:53
Black Stains

Attachment(s) by Denniswiseman » Mon 04 Apr, 2016 11:12

First post

Hi
I have a problem with black staining on my fibreglass pool
It's not related just to the fibreglass because it is happening in the plastic weir as...

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:wave: :wave: Most fibreglass pools will develop black-spot on the surface. This type of black-spot is not a bacteria but a mineral that bleeds from...

6 Replies

310 Views

Last post by paulbest
Sun 07 Aug, 2016 02:34
Footprints & other marks appearing on bottom

by debbeeanne » Thu 30 Jul, 2009 18:59

First post

We have a 2 year old inground gunite (Diamond Brite) salt water system pool. This spring we noticed stains on the pool bottom which are footprints...

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Hello,
The same thing happened to the bottom of my pool (footsteps and semicircular lines), less than a year after the pool was re-plastered. The...

2 Replies

6121 Views

Last post by Paola
Tue 02 Aug, 2016 20:29
Brown/yellow stain overnight

by Colleen in PA » Wed 10 Jul, 2013 02:23

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My 16'x32" inground pool was a little cloudy and it's been hot so I added shock and a cup of stabalizer before I went to bed on July 4. I woke...

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You should use the PAC - poly aluminum chloride after shock chlorination. Residue will settle to the bottom and you use hygiene kits to remove

1 Replies

1180 Views

Last post by saovietxulynuoc
Wed 08 Jun, 2016 22:35
Cause of Over Exposed Aggregate in Pool

Attachment(s) by GKA » Fri 22 Apr, 2016 20:09

Streaks and dark areas of over exposed aggregate appeared in the deep end and on the back wall of our two year old pool a few months ago. The shallow...

0 Replies

75 Views

Last post by GKA
Fri 22 Apr, 2016 20:09
Need Help With Pool Remodeling And Resurfacing

by CharlotteEhle » Fri 04 Mar, 2016 06:40

Our pool is about 15 years old and we are planning to renovate it. But I am in a dilemma whether to go for remodeling or resurfacing. Please suggest.

0 Replies

124 Views

Last post by CharlotteEhle
Fri 04 Mar, 2016 06:40
Yellow Stain on Plaster Patches

by poolese » Tue 18 Jun, 2013 21:13

First post

My pool guy patched some hollow in my plaster and attempted to acid washed my pool this spring and filled it up. He didn't do a good job acid washing...

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Get yourself a good pool guy.

I'm not sure what is causing the patches to turn yellow. Is the yellowing specific to the patches and not the...

1 Replies

2576 Views

Last post by Looper
Thu 03 Jul, 2014 00:15
Brown Stain after a AA battery was found in pool

by jjgleeson » Wed 05 Dec, 2012 21:52

First post

Hello can anyone help
I found a AA battery in my new pool, I have no idea who threw it in but it must have been in my salt water pool for about 3 or...

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I have the same issue. However I have plaster and the plaster is almost 3 weeks old. We have not put the salt in the water yet (salt water pool). Can...

3 Replies

5883 Views

Last post by Jeff1109
Tue 20 May, 2014 20:47
Grey stains after adding pH

by ojuditho » Mon 02 Sep, 2013 13:43

First post

I'm watching my parents pool for the week. I have very little experience tending to it, but when I checked the chemicals with an Aquachek Select...

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From the looks of it you didnt follow the instructions of how to add the chemicals. ALWAYS mix chemicals in a bucket of water. That way its already...

1 Replies

2422 Views

Last post by Addz
Thu 10 Oct, 2013 03:31
Help.algae Or Cu Stain?

Attachment(s) by jasonfu » Tue 13 Aug, 2013 13:18

First post

So…I have a salt water pool 36” by 18” deep end is 9” deep. I had some “staining” on the bottom or the deep end, the pool store said my water was...

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What's your Cyanuric Acid (CYA) level? I agree with the pool store that it's unlikely for you to have black algae on vinyl.

So when you shocked...

4 Replies

2433 Views

Last post by chem geek
Sat 17 Aug, 2013 00:12
How to sand plaster?
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by Malia » Fri 03 Apr, 2009 12:03

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I'm new to this forum and after exhausting internet searches I've yet to come up with a method of sanding calcium deposits off without harming my...

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I had my pool acid washed NEVER AGAIN, ended up having to have resurfaced
18 Replies

26220 Views

Last post by kmorgan
Thu 25 Jul, 2013 10:23

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