Pool Surface Staining & Discolored Pool Water

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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

2436 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

26348 Views

Last post by kmorgan
Thu 25 Jul, 2013 10:23
Yellow water after 1/2 water change and shock

by bnairb » Mon 25 Jul, 2011 05:09

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I drained about half the pool due to cya up to 90, refilled over the course of 1.5 days, now cya back down to 30. Water DOES come from a well....

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It's probably iron. If you lower the pH and the color fades, then it is very likely to be metal ions and a good metal sequestrant should help (the...

7 Replies

9341 Views

Last post by Dede free bird
Wed 24 Jul, 2013 22:32
Brown steps

by william » Thu 31 Mar, 2011 14:52

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My pool steps keep turning back to brown after I get sparkling white.I had water tested and checks out good.could my filter sand be...

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Sometimes staining like you have described can happen as a result of metals (copper/iron etc) that are in the water slowly precipitating (or dropping...

2 Replies

2724 Views

Last post by wboss71
Wed 12 Jun, 2013 20:05
DE in my water Help

by mom2theateam » Fri 07 Jun, 2013 06:39

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Last year our pool was extremely cloudy. After multiple trips to the pool store and LOTS of shock they were still telling me my water was perfect....

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Hello again,

OK, so you have one of the Hayward Perflex filters. It is a tedious job to replace the fingers, but really not that difficult. You're...

3 Replies

1671 Views

Last post by CGPoolman
Fri 07 Jun, 2013 13:30
Medium brown spots

by Huskerdee » Wed 22 May, 2013 13:51

We have a 32'x16'x52" pool with a DE filter. We use well water that Zi know has metals. I use the tedious method of shocking do the metal drops...

0 Replies

919 Views

Last post by Huskerdee
Wed 22 May, 2013 13:51
Discolored liner at water line

by keith jackson » Thu 28 Mar, 2013 17:55

at the end of last summer,wind blew over from a field next door,pollen from rape seed oil. this left a oily yellow stain on the plastic liner( the...

0 Replies

771 Views

Last post by keith jackson
Thu 28 Mar, 2013 17:55
Brown (rust) stains around jets

by PhxWeasel » Tue 28 Aug, 2012 19:13

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I have what look like rust stains around most of my in-floor cleaner heads and various return jets. It's really bad down the side of the deep end...

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What you have is something that is not uncommon. While I cannot tell exactly what type of stain it is, it is most like in the metals family as you...

1 Replies

2845 Views

Last post by wboss71
Wed 20 Mar, 2013 06:30
Black stains on bottom near drain

by dickwms » Wed 31 Aug, 2011 12:35

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My in-ground pool has white plaster which has a black circular stain next to the drain. It is obviously the lowest part of the pool, where heavier...

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Just for the record: I tried 1/2 gallon of Muriatic acid poured through a pvc pipe to arrive at the stain without major dilution. It formed a heavy...

1 Replies

1600 Views

Last post by dickwms
Tue 19 Mar, 2013 12:50
Dark Brown stains in a pebble finish pool, after adding salt

by tigana77 » Wed 01 Aug, 2012 11:02

First post

Dear friends

I came across a stain problem which I've never seen before. For some years now, I run my own pool maintenance company and I have my...

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Hi There,

Brown stains on pools walls and floors after adding salt are becoming more common these days. Several large hardware stores are selling...

1 Replies

1943 Views

Last post by wadebosse
Wed 13 Mar, 2013 01:02
Scaletec Plus

by johnhil » Tue 12 Aug, 2008 09:18

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Does anyone have any experience with Scaletec Plus? It is supposed to remove stains and scale without adjusting the water from normal operating...

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There is more information on Scaletec Plus (and stains) at interwebs. I have a relationship with the USA manufacturer so if you have any questions or...

5 Replies

6583 Views

Last post by wadebosse
Tue 12 Mar, 2013 22:22
Brass corrosion

by gomergus » Sat 16 Feb, 2013 13:44

First post

I recently resurfaced a pool and used a brass adapter light ring . I bonded and attached wire to the j-box . Now there is a rust color around the...

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I bonded and attached wire to the j-box . Now there is a rust color around the light. After inspecting the eq.room I noticed that none of the pumps...

1 Replies

1315 Views

Last post by czechmate
Tue 19 Feb, 2013 18:04
White Stains on Black Diamond Brite Surface

by jgbutke » Fri 08 Oct, 2010 13:46

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My 12,500 gallon year-round Florida pool was installed in 2003. The pool had a stunning black diamond-brite surface and a salt chlorination system....

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I have had a black pool for 3 years now and the only way I have found to keep pool black is acid. First if you have a salt system do not let the salt...

5 Replies

6270 Views

Last post by westcoastflorida
Wed 26 Dec, 2012 10:08
clear water turned green

by guest from sc » Fri 08 Jun, 2007 10:23

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Ok so there is a lot of this going around aparently but, I my situation may be a little different, so here goes.

I bought a brand new pool 16x4...

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It is not big problem, green water mean your pool have dirty germs and unwanted things which convert water into green. First you have to empty pool...

5 Replies

18171 Views

Last post by Michel15
Tue 30 Oct, 2012 07:42
White Chlorine Puck Stains?

by Zmiranda » Wed 26 Sep, 2012 14:07

First post

We had a huge wind storm last week and tons of leaves were blown into our brand new blue gunite pool that we had just opened in August. After...

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Using a Trichlor puck to remove an organic stain is only done for white plaster surfaces and the puck is only left on long enough to remove the...

1 Replies

1425 Views

Last post by chem geek
Wed 26 Sep, 2012 20:24
Blue fiberglass turned white

by justden » Sat 15 Sep, 2012 19:29

I have a fiberglass pool, indoor, saltwater and geothermal. When I purchased the home the pool had not been taken care of very well, it is blue...

0 Replies

1501 Views

Last post by justden
Sat 15 Sep, 2012 19:29
I have Hydration Stains. Need a way to prove it.
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by infoseeker » Tue 06 Mar, 2007 23:47

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Is there any way to test stains to verify if they are caused by hydration?

I had a pool built and it immediately had Grey stains. They blamed it...

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My pool is in ground 12x24 in central Florida and have same problem, greyish, rough stains over the whole pool, very visible especially in late...
11 Replies

11726 Views

Last post by Wam
Mon 10 Sep, 2012 12:15
brown spots on bottom of my pool
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by craig » Thu 16 Aug, 2007 19:23

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Hello to all, and thanks for any help on our problem. We have a 27 ft round 54 inch deep pool that has brownish spots all over the bottom of pool...

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Has anyone out there experienced browning on their fiberglass steps? What do you do to get rid of this type of staining?
22 Replies

72667 Views

Last post by rah3616
Thu 12 Jul, 2012 19:10
Violet stains

by -fritz- » Tue 12 Jun, 2012 17:11

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I live in southern Nevada where it is extremely hot 5 months and the other months usually above freezing. We have been in the house for 2 years. Our...

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i think you have to change the tiles if it bothering you and not removing easily, the bacteria get stronger at the spot, i think just replace the...

4 Replies

2620 Views

Last post by lightandspace
Tue 10 Jul, 2012 23:36
Yellowish orange stains on liner

by dolo » Sun 01 Jul, 2012 10:54

My water is clear but my liner has yellow orange (like a rust color) on several spots on liner. Had water tested several times. Only problem was high...

0 Replies

932 Views

Last post by dolo
Sun 01 Jul, 2012 10:54

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