Pool Surface Staining & Discolored Pool Water

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Stained Liner

by Guest » Thu 08 May, 2008 19:00

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Opened pool and the bottom of the liner is pretty badly stained brown/tan. I dropped the chlorine to 0 and added ascorbic acid and followed that with...

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I have a high copper content, 3.8 ppm. I have a heater and recently had a automated chlorinator installed. The heater and pool is 4 years old and...

5 Replies

5760 Views

Last post by RIC79
Thu 29 Jul, 2010 20:41
Where to buy

by [email protected] » Mon 17 Jul, 2006 19:42

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Where can I buy citric acid in a powder?

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bulkfoods.com sells it in 50 lb bags as well as in smaller quantities.

1 Replies

1413 Views

Last post by tammyinmo
Sun 25 Jul, 2010 17:33
Mustard stains but not algae, what is it?!
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by corsara » Thu 27 May, 2010 06:46

First post

Well, my pool is a 36 x 18 with vinyl liner.

A little background: About a week ago, I discovered that chlorine level had dropped to almost 0, so I...

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The ascorbic acid treatment only removes the stain, but you need a metal sequestrant to keep the metal in solution and that needs to be added...
18 Replies

20815 Views

Last post by chem geek
Wed 21 Jul, 2010 21:27
Iron in water

by Erin22 » Fri 01 Jul, 2005 23:41

First post

I have a 15x3-1/2 ft easy set pool from wally world...and i also have LOTS of Iron in my well water...I've been battling with it for about a month...

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I battled iron in my well water for 2 years, then last year I had a guy come out and fill the pool with water from a tanker truck but that cost...

6 Replies

12939 Views

Last post by Atomizer
Sat 03 Jul, 2010 10:01
Pool won't stay blue!

by MiamiSun » Sun 07 May, 2006 17:54

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I am new to the pool thing so it is very possible I am missing a step here but for the life of me I cannot get the pool to stay blue!

I've...

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You simply are not maintaining an appropriate Free Chlorine (FC) level for your Cyanuric Acid (CYA) level and when you get behind you need to shock...

6 Replies

9079 Views

Last post by chem geek
Tue 29 Jun, 2010 13:02
Green stain on the pool perimeter

by reko19 » Tue 22 Jun, 2010 14:51

First post

Hi,
I have this pool for eight years, never happened before. This year I noticed light green / gray stain on the bottom of the liner around the...

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I shocked the pull and it seemed to help. It almost looks like some of this stuff turned into dust and I was able to vacuum it out. The rest is still...

2 Replies

2060 Views

Last post by reko19
Fri 25 Jun, 2010 07:36
Brown stuff on the bottom of pool

by wcwturtle » Thu 17 Jun, 2010 14:45

First post

Just set up our pool 16 x 48 above ground with a saltwater system. set up pool, filled pool, added 100 lbs of morton pool salt. turned on pump for 24...

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Your should check your metal levels. I also have well water and the brown coloring as i know is iron in the water. We have a product on our website...

1 Replies

2406 Views

Last post by SteveM1800
Wed 23 Jun, 2010 12:46
Plaster staining and condition

by lovehate » Mon 07 Jun, 2010 10:01

We renovated a 20 year old pool in the spring of 2008. The company is from a nearby city who also handled the start-up fase, but assigned a tech who...

0 Replies

892 Views

Last post by lovehate
Mon 07 Jun, 2010 10:01
Emerald green cloudy water

by robcava » Sat 05 Jun, 2010 10:20

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Hi all. I recently purchased a house with a pool. When I opened the pool the water was clear. I vacuumed, go the water chemistry in line and added...

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You need to use more metal sequestrant since increasing the chlorine level (using a hypochlorite source of chlorine or using the SWG) raises the pH...

1 Replies

2214 Views

Last post by chem geek
Mon 07 Jun, 2010 00:37
One brown spot (leaf stain?) on pebble-tec pool floor

by Sophie424 » Sat 20 Jun, 2009 14:33

First post

I have a pebble-tech surface. One spot on the pool floor has developed a brown stain that will not brush off (approx 2" x 2").

Some time...

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muratic acid, they make a tool. long pole with a hose and suction cup on the end. the hose hooks to a bottle of muratic acid, and you manuvor the...

1 Replies

2866 Views

Last post by unclejeffrey
Fri 04 Jun, 2010 08:12
Stains

by raiderron » Sun 23 May, 2010 09:56

I have 3 year old pool, 18,000 gallons, salt water system with Chlorine generator, white plaster, in Northern California. 2nd summer noticed grey...

0 Replies

694 Views

Last post by raiderron
Sun 23 May, 2010 09:56
Blue stain on white plaster

by swim_time » Tue 11 May, 2010 13:59

First post

Have patchy blue stains on white plaster in swimming pool. Pool store indicates mineral scaling an should do a acid wash plus blur and purple stuff...

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Sounds like copper staining. Did you use any algaecides lately? Did you get the water tested for metals? At the pool store they mentioned acid wash...

1 Replies

1884 Views

Last post by Xclusive
Tue 11 May, 2010 17:24
Stained Painted Pool Surfaces

Attachment(s) by mglange1 » Sat 08 May, 2010 18:00

First post

I drained the pool last weekend due to high CYA levels. I tried to power-wash what I thought was algae today with no results. I tried brushing an...

Last post

Acid in the lemon?

Then perhaps a brushing with dilute muratic acid would do the trick.

I agree. A light acid wash should take care of those...

2 Replies

1684 Views

Last post by Xclusive
Mon 10 May, 2010 08:37
Plaster Stain/Mold? Help Needed ASAP!

by dbrauner » Sat 17 Apr, 2010 15:22

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I have crystal clear water and horrid looking black/gray stains in various areas of my pool' horizontal surfaces. Not sure what to do next. Pool...

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G'day Dave. Is your pool surface fibre glassed? If so, you just might have a cobalt leeching problem, meaning the pool may have to be drained and...

1 Replies

1141 Views

Last post by John McKenny Australia
Sun 09 May, 2010 03:14
Plaster is now stained after a drain/refill

by david.gregg » Thu 15 Apr, 2010 09:06

Hi Everybody,

I have an in-ground spa that is approx 1600 gallons. It is a salt system and has 3M colored plaster (tan color). I drained the water...

0 Replies

750 Views

Last post by david.gregg
Thu 15 Apr, 2010 09:06
Strange Problem

by DHousteau » Sat 10 Apr, 2010 13:10

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I am not sure which Topic heading this should be posted under as I am not really sure what is happening. I have had my above ground pool (installed...

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Thank you for this reply. What you say is really interesting as I do not add lawn chemicals at all, but do live in the middle of sugar cane fields....

2 Replies

1420 Views

Last post by DHousteau
Sun 11 Apr, 2010 14:46
Plaster Corruption?
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by memebop » Thu 03 Dec, 2009 21:40

First post

I have an older pool which developed a bleeding rust spot on the bottom.

I emptied the pool and sanded and grinded down into the area. I coated it...

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I have a swimming pool that is 3 years old. We have rust showing up in the plaster about 3" long in a diamond shape about 1' below the water...
16 Replies

6726 Views

Last post by CB
Wed 17 Feb, 2010 14:05
Algae stains...i think.

by Bluelitening » Mon 24 Aug, 2009 10:42

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Great info on pool stains, I have been reading several pages. My Problem is i just had an algae attack last week in my inground gunite pool with a...

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Hi Bluelitening,

With regards to your problem, I suggest that you purchase a water stain kit. These are available from a variety of pool chemical...

1 Replies

1293 Views

Last post by Helen
Thu 19 Nov, 2009 01:02
Black charcoal like spots and Green Film

by redhanz » Thu 01 Oct, 2009 12:30

First post

Hi,

I live in Edmonton, Alberta. I was winterizing my vinyl lined pool the other day. I shocked the pool and the next day came out and checked on...

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what chemicals did you add?
sounds like there could be copper in the water

1 Replies

969 Views

Last post by Guest
Sat 14 Nov, 2009 10:51
Metal Cure?

by captjohn » Tue 10 Nov, 2009 10:53

First post

On 10-30:
My pool is indoors and was cloudy/white 2 days ago w/low FC for 1 day. It's been beautiful for the last 3 months. I shocked w/recommended...

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The green is copper from your old heater.

Any pool place should be able to test for metals. In addition, any water conditioner place should be able...

4 Replies

2618 Views

Last post by HydrogenHydroxide
Thu 12 Nov, 2009 01:38

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