Pool Algae & Green Pool Water

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mustard algae

by kahleds » Sun 02 May, 2010 14:09

First post

Having mustard algae problems in my pool. Any tips would be greatly appreciated. Pool chemistry is as follows:

FC 2.5
CC 0
pH 7.4
25000 gallons

Last post

Thanks for the information!

4 Replies

2329 Views

Last post by Guest
Mon 03 May, 2010 11:39
Green Pool, Algae won't die

by oneArmedAssassin » Fri 30 Apr, 2010 14:49

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Just opened the pool last week to get it ready for the swimming season. When opened the pool water was very green and cloudy. Can barely see the...

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Please read Defeating Algae in the Pool School. Lowering phosphates is not the only way to handle this and won't always work that well if you also...

4 Replies

4201 Views

Last post by chem geek
Sat 01 May, 2010 08:36
total and free chlorine
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by pup55 » Sun 23 Aug, 2009 11:24

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I keep having problems with algae growth and would like to know if the total and free chlorine are to high could this be a cause? My total and fre...

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you may want to something about the PH as this can be a contributing factor.what temoerature is your pool and what chemicals are you using
23 Replies

8039 Views

Last post by zetdah
Wed 14 Apr, 2010 04:04
Dried Algea in drained pool

by Padilla » Fri 02 Apr, 2010 17:00

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We drained our pool after it turned green and full of algea. The algea has dried to the sides of the pool. What is the best way to remove it?

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if your pool isnt painted i would start off using a metal brush a spray bottle from lowes or any hardware store a couple bottles of maratic acid and...

3 Replies

2107 Views

Last post by mike45
Sat 03 Apr, 2010 12:23
Can red algae "kill" an Ozone Generator?

by Max01 » Mon 08 Feb, 2010 11:03

First post

Hello,

Today my 2 months old water (in the spa) is clear again, the PH is around 7,5, the FC is 1-2ppm. We have been on holidays (for 2 weeks) and...

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The ozone generator is either under a suction vacuum or return venturi. This setup means that you will see air bubbles all the time, even if the bulb...

2 Replies

1651 Views

Last post by Guru
Fri 19 Feb, 2010 14:23
Pool turns green when adding granular chlorine
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by Guest » Mon 02 Nov, 2009 16:16

First post

Hi Guys,

Had a rough first day. cleaned my first pool. I tested the water and discovered it had no chlorine, no or little PH reading and zero...

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This morning i put 2 lbs of shock in my pool and within 15 mins it was a beautiful shade of green. I think that meant that the PH was too high and...
13 Replies

14559 Views

Last post by chatfield
Fri 22 Jan, 2010 18:07
2nd round of Green Water

by mel » Tue 05 Jan, 2010 03:23

First post

Ok so here we go. We have recently bought a new house and thought we were going well with maintaining our pool when all of a sudden the rainy weather...

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bleach is low concentrate liquid chlorine.

liquid chlorine is typically 10%-14% and bleach is 3%-6%

2 Replies

1019 Views

Last post by samueltt
Fri 08 Jan, 2010 05:27
cloudy water and green algae

by crispy1985 » Sun 23 Aug, 2009 09:44

First post

I can not get my pool clear. For a week my pool water has been cloudy with green algae on the bottom. I keep vacuuming but it is difficult to see the...

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There are over 20,000 pool owners at The PoolForum and over 10,000 at Trouble Free Pool plus hundreds of others on other forums including this one...

6 Replies

6736 Views

Last post by chem geek
Mon 26 Oct, 2009 22:22
Boss said "Pool will not turn with high chl lvls!" True?

by wolfman83661 » Sun 04 Oct, 2009 14:37

First post

Hi there,

Got a question on algae and chlorine. I recently took over pool maintenance for the property that I work as a tech at in Tucson. I have no...

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Danny,

What was the Cyanuric Acid (CYA) level in the pool that had 9 ppm FC with an algae bloom? Was this pool using only stabilized chlorine (e.g....

4 Replies

1860 Views

Last post by chem geek
Tue 06 Oct, 2009 00:13
Algae Problems, Green Pool Advice

by SweetwaterPoolService » Fri 25 Sep, 2009 15:09

First post

It's true, no matter who you are...

Metals enter your pool and dissolve in the water whenever
1) fresh make-up water is added
2) gas heaters are...

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Dihydrogen monoxide is a pool chemical that does not increase TDS.

Unfortunately the water most people add to their pool is not pure H2O and thus...

3 Replies

1719 Views

Last post by nocturnalsheep
Mon 05 Oct, 2009 14:03
How do i tell if i have algae or not

by Guest » Mon 21 Sep, 2009 13:30

First post

Hi all, I am from the UK and I have a 15ft diamter round above ground pool that is giving me so many problems. Basically my water keeps going dark...

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Unless your pH got high and/or you used an algaecide with copper in it (or your Trichlor pucks had copper in them), then it is unlikely the green is...

2 Replies

1510 Views

Last post by chem geek
Mon 21 Sep, 2009 23:22
From clear to algae covered and solid green.... in 3 days!

by 1984mountaineer » Tue 25 Aug, 2009 14:06

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Problem : On Thursday evening, I noticed regular crud on the bottom of the pool, so I did my thrice weekly vacuuming. When I finished, the pool was...

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Thanks for the advice on the test kit. Mine is a pretty basic reagent, so it will certainly be something that I upgrade before next summer.

Just...

4 Replies

2150 Views

Last post by 1984mountaineer
Wed 26 Aug, 2009 08:03
Mustard Algea????
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by rozebudd » Fri 01 Jun, 2007 12:57

First post

I am going nuts. Last summer we started seeing this brown sor tof 'dust' all of the pool. I kept vacuuming thinking it was just dust left over from...

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Thank you Debbie, I just started having this problem over the last 2 months and i have spent so much money trying to get my Mustard Algea cleared...
12 Replies

6376 Views

Last post by Guest
Mon 24 Aug, 2009 13:37
Newbie frighting green aglae CC 5.2, TC 0

by sethz » Thu 20 Aug, 2009 16:07

First post

Greetings, I am new pool owner. Long story short, the pool was neglected by previous owner last fall, they did hire people to close the pool, but my...

Last post

A follow up, this morning the pool water LOOKs crystal clear. I bring the water sample to the pool shop again:
FC 0
CC 0
pH 6.9
TA 50
CH 225
CYA 0...

1 Replies

1230 Views

Last post by sethz
Fri 21 Aug, 2009 15:10
Algae in condominium Homeowner's Association pool
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by Henry_R » Wed 03 Jun, 2009 19:07

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Problem : I am part of a maintenance committe at a Condominium Homeowner's Association and we need help with our poorly maintained commuity pool that...

Last post

We used some algaecide once and it foamed up horribly. It took a week to get the stuff out of the filter.
The problem we had was an air leak in the...
91 Replies

21782 Views

Last post by Henry_R
Thu 20 Aug, 2009 17:34
Pool turns green when I add chlorine

by jimmy2timez » Tue 18 Aug, 2009 12:59

First post

I dont get it, When I add Chlroine to my pool it turns it green. Any ideas, I have no clue....

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Just to be clear, when you add chlorine to a bromine pool, only the water in the immediate area of the chlorine turns lime green. This dissipates as...

3 Replies

1846 Views

Last post by PoolPerson
Wed 19 Aug, 2009 03:37
My green pool

by fiona faye » Tue 28 Jul, 2009 08:12

First post

I woke up yesterday to discover that my pool was green. I'm not a pool expert, so I thought the easiest option was to empty it and refill it. So the...

Last post

See this post .

4 Replies

2384 Views

Last post by chem geek
Sun 16 Aug, 2009 19:31
Pool is deep green and can't seem to make it any better

by kateboggs » Tue 28 Jul, 2009 10:27

First post

I need some serious help!

About two weeks ago my above ground 27' pool became cloudy and lost its bright blue color. So i bought 2 bags of shock and...

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Though you are right that hitting the pool hard with chlorine is the answer (unless the Cyanuric Acid level is very high in which case dilution first...

3 Replies

3074 Views

Last post by chem geek
Sun 16 Aug, 2009 19:30
Mustard colored algae- fire my pool guy?

by FLmama » Wed 15 Jul, 2009 19:21

First post

We bought our house just over a month ago and the pool was crystal clear. pH was a bit low, other than that all was well. Week 2 we hired a pool guy....

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Mgara,
Do you mind telling me the process by which you treat your pool with "Yellow Treat?" I'm new to all of this and really need some...

6 Replies

4269 Views

Last post by alanrmeadows
Sun 16 Aug, 2009 15:11
Green pool won't go away!!

by Guest » Tue 30 Jun, 2009 09:18

First post

Hi I'm new and also new to owning a pool. I have a 40,000 gallon in ground pool made out of concrete. I have a sand filter, I will get all the...

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If you have a tear in the filter grids, the pool will blow DE back into the pool. There is no need to remove the filter cover. Backwash, and refil...

7 Replies

13153 Views

Last post by ol kev
Fri 14 Aug, 2009 11:42

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