Pool Algae & Green Pool Water

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Why is my pool purple?

by leatherjackets99 » Fri 28 May, 2010 00:45

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why is my pool purple? how do I fix it?

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It could be from a combination of high copper and cyanuric acid (CYA) levels. Get a good test kit -- the Taylor K-2006 -- and test your water...

1 Replies

1984 Views

Last post by chem geek
Fri 28 May, 2010 02:03
I can't win

by Traz » Thu 27 May, 2010 21:25

I have spent all week working hard to turn our brown/green swamp back into a swimming pool. With some great help of this forum & chem geek there...

0 Replies

466 Views

Last post by Traz
Thu 27 May, 2010 21:25
Anyone ever try a UV light for algae? No more green!

by Traz » Sat 22 May, 2010 14:50

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I am tired of dealing with green water. I have had a pool since I was a kid & never seem to have problems with green water. The past 2 years that...

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Whoo hoo. No more green We have gone from swamp brown nasty green to pea soup green to mint green & now no green but very cloudy... all with...

8 Replies

6382 Views

Last post by Traz
Tue 25 May, 2010 21:26
Too much chlorine?

by Eleanor » Sun 23 May, 2010 13:09

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Hello Everyone. I have just joined this Forum.

My friend had deep green pool. I got the pump working and backwashed etc. I cleaned out all the yukky...

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Thank you so much. I have been reading through the link that you provided and it is really good. I shall be camping at the poolside until it is...

2 Replies

1859 Views

Last post by Eleanor
Mon 24 May, 2010 15:29
Green Pool
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by MSFROGGY » Thu 16 Jul, 2009 15:04

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I have done everything that I have been told to do.
24 ft vinyl above ground
hayward 1 hp pump brand new
sand filter.

Here is readings
FREE CHL...

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you might try a bottle of sand filter cleaner you run it just enough to get in the sand filter and shut it off this only take a hfew seconds pour it...
13 Replies

14344 Views

Last post by Guest
Fri 21 May, 2010 13:52
Dark Green Pool, but no algae.

by Jim in Irving Texas » Sun 16 May, 2010 16:57

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I have a 15,000 gallon above ground vinyl pool with submersible steps and a sand filtration system. I run the pool year round, but it is of little...

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I have the exact same problem. My pool is only 5400 gallons and Leslie's pool told me to do the same thing as you. Chemical readings are fine and...

2 Replies

4581 Views

Last post by todd
Thu 20 May, 2010 19:35
Bright grren pool, all levels okay?
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by jimmijam » Sun 27 Dec, 2009 20:37

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I meed help! I am at my wits end. The story starts..... We took our automatic sunbather cover off our pool 8 weeks ago. the water was a lovely blue....

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This MSDS for Aqua Chem Algaecide Plus (see here ) says it contains 3.3% copper derived from copper sulfate pentahydrate and also contains polymeric...
18 Replies

16919 Views

Last post by chem geek
Sat 08 May, 2010 16:01
Algae colony hiding in plastic stairs. How to kill?

by kristymcj » Tue 04 May, 2010 10:25

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When we removed our above-ground pool stairs green and (almost) black algae poured out of the little holes in the legs. We're relieved to know why...

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Bleach will certainly kill the algae that is already there, but you probably didn't have a sufficiently high Free Chlorine (FC) level relative to...

1 Replies

3331 Views

Last post by chem geek
Tue 04 May, 2010 16:06
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

2356 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

4413 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

8167 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

2140 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

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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

1677 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

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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

15636 Views

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

by mel » Tue 05 Jan, 2010 03:23

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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

1036 Views

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

by crispy1985 » Sun 23 Aug, 2009 09:44

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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

6909 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

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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

1885 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

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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

1741 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

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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

1533 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

2180 Views

Last post by 1984mountaineer
Wed 26 Aug, 2009 08:03

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