Pool Surface Staining & Discolored Pool Water

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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

975 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

2632 Views

Last post by HydrogenHydroxide
Thu 12 Nov, 2009 01:38
goose crap stains on white marble dust

by patrickspools » Sat 03 Oct, 2009 19:37

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I have a customer with a white marble dust pool with goose crap stains all over the bottom. The stains have been there for 2 years. The marble dust...

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That sounds just like the jandy stain master that geeman suggested (which I actually did end up buying and using). Maybe I didn't describe this...

8 Replies

4019 Views

Last post by patrickspools
Fri 30 Oct, 2009 07:56
Black Stains Where Granulated Chlorine Falls

Attachment(s) by sailor21 » Tue 06 Oct, 2009 12:41

First post

Back in July, I had a HUGE green algae problem. I super-chlorinated and added a double dose of Copper Based algaecide (Strike Out) twice. After the...

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Hydrogen is probably not practical unless you have access to hydrogen gas. You just have to get the hydrogen to the stains. You could use vinyl...

4 Replies

6265 Views

Last post by Entropy
Wed 07 Oct, 2009 17:08
is a goose dropping stain a biological or metal stain

by patrickspools » Tue 06 Oct, 2009 18:30

First post

I was wondering what would actually cause the stain when a goose dropping sits on marble dust. I assume this is a biological stain but was wondering...

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I know spinach has a high iron content. Possibly seawead or whatever geese eat also has high iron. The stains look like iron

1 Replies

930 Views

Last post by patrickspools
Wed 07 Oct, 2009 08:49
Vinyl acid wash

by stan64572 » Wed 30 Sep, 2009 19:50

First post

why not acid wash vinyl liner, i have seen many people say not to , but dont see any that says why not , what will it do, i have had great luck with...

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you can try to remove it with acid, this is how i have cleaned my liner many times.. i put muretic acid full strenght on the stain,it will dissolve...

2 Replies

2044 Views

Last post by stan64572
Fri 02 Oct, 2009 19:33
linner discoloration

by timbear » Sun 13 Sep, 2009 10:04

First post

Too low of ph cased acid condition in my pool and caused copper heat exchanger in heater to turn liner light black discoloration. will this stain go...

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When I was schoking my pool this year with chlorine, after an hours the bottom of the pool looked stained, a darker blu which was not removable with...

2 Replies

1226 Views

Last post by Guest
Sun 27 Sep, 2009 12:15
Plaster stains on new salt pool w/high alkalinity

by bnsfengineer » Mon 20 Apr, 2009 11:50

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Help....I have had three pools before and this is my first one with a salt system. Iam always adding acid and when Ive asked advice from my local...

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It is the high PH that has caused the stains. PH goes 8.2 and over then stains looking like dust will appear. I have salt system and fight same issue...

5 Replies

3700 Views

Last post by Guest
Fri 11 Sep, 2009 20:21
Sand Substance on Bottom and Side Walls of Liner

by Thomas Henry » Sat 16 May, 2009 09:19

First post

I opened and shocked my pool just a few days ago, as usual. Suddenly, a sand like substance appeared on the bottom and side walls of my pool. It...

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I opened and shocked my pool just a few days ago, as usual. Suddenly, a sand like substance appeared on the bottom and side walls of my pool. It...

3 Replies

2657 Views

Last post by Guest
Tue 08 Sep, 2009 12:41
Pool stain / Fertilizer with Iron, Manganese, and Nitrogen

by SixFeetUnder » Thu 03 Sep, 2009 17:02

First post

Hi all,

So for the most part my knowledge of chemistry and my major in it helps me with maintaining a pool, though I cannot say I know all the...

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Thank you so much for your reply.

I actually got phosphate free fertilizer..or I'd be in big trouble with algae by now. Luckily no algae...I forgot...

2 Replies

4597 Views

Last post by SixFeetUnder
Fri 04 Sep, 2009 17:18
Problem with sun oil on liner walls...

by hitech444 » Mon 13 Jul, 2009 07:46

First post

Hi,
We have a hotel pool which the last few days has developed a 10cm yellowish color above water level on the liner walls. I'm almost sure that...

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I have been told that Zyke stores in France supply a pad which will remove the stains

2 Replies

1050 Views

Last post by tommo74
Tue 25 Aug, 2009 06:31
Brown stains gunite pool

by raiderron » Thu 20 Aug, 2009 11:11

First post

1 year old gunite pool. Northern California city of Willows water. Scattered, (some large) brownish stains. Contacted pool builder numerous times,...

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Thanks for the reply: White gunite, not sure what a marble finish is, so I think no. Yes I do use fertilizer, and yes some fertilizer may have gotten...

2 Replies

2099 Views

Last post by raiderron
Fri 21 Aug, 2009 10:29
Help! *Very* sudden change in water color!

by UpLate » Wed 19 Aug, 2009 16:18

First post

This summer (my second as a pool owner) I got lazy on my testing. I use a Taylor test kit. Anyway, the pool was looking great. I had beautiful...

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The good news is that you don't need to worry about your dumping a small amount of test reagents into your pool water. The bad news is that the fact...

2 Replies

2345 Views

Last post by chem geek
Wed 19 Aug, 2009 19:53
Green stains across my entire pool. (pics) Please help

by lbj23 » Sat 15 Aug, 2009 18:52

I've been trying to brush this away for weeks and the stains don't move. I showed these pictures to the guy at Leslies, he told me to squeeze a lemon...

0 Replies

1649 Views

Last post by lbj23
Sat 15 Aug, 2009 18:52
Yellow /brown stain on liner walls

by stuart kerton » Mon 10 Aug, 2009 02:06

hi can anyone help the problem i think is sun tan oil or self tanning lotion its leaving a yellow/brown ring around the pool at the water line about...

0 Replies

1269 Views

Last post by stuart kerton
Mon 10 Aug, 2009 02:06
brown stains

by vicki gibson » Sun 09 Aug, 2009 19:34

We have a 34 ft round above ground pool. Our water is clear and we have been using chlorine tablets to keep the water clean. Now we have a light...

0 Replies

986 Views

Last post by vicki gibson
Sun 09 Aug, 2009 19:34
Stained liner help!

by cheribrady » Sun 12 Jul, 2009 10:28

First post

We have a 36,000 gallon inground pool with a vinyl liner and a sand filter. We also have well water with a high concentration of iron. We opened our...

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Thanks! We will try it! I also bought 3 pounds of vitamin c powder and dumped that it. It did a pretty good job but there's still iron stains on the...

2 Replies

1971 Views

Last post by cheribrady
Fri 31 Jul, 2009 04:34
Rust Stain in Pebbletec

by carnab » Sun 19 Jul, 2009 23:26

This morning I shocked pool using bag of shock that had a corroded aluminum clip on it to keep it closed, A flake of rust was on the bag and it feel...

0 Replies

1817 Views

Last post by carnab
Sun 19 Jul, 2009 23:26
Stained steps

by eplowman » Mon 11 May, 2009 21:34

First post

My steps look brown. What could be causing that?

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Hi I am having the same problem.. my problem started with low ph and I had to increase the water hardness; those levels are close to being back to...

3 Replies

3435 Views

Last post by robertj
Fri 17 Jul, 2009 19:16
Pretty blue water turned pretty green after chlorine

by dannalong » Sun 05 Jul, 2009 14:11

First post

I found out the hard way that I have metals in my water. I have already add the needed chemicals in my pool, stablizer and conditioner, chlorine, etc...

Last post

What kind of algaecide? Was it an inexpensive linear quat? If so, then this can cause foaming and could cloud. If it was PolyQuat 60 (ingredient is...

7 Replies

12363 Views

Last post by chem geek
Mon 06 Jul, 2009 17:40

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