Pool Algae & Green Pool Water

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Mustard Algse - has no-one ever had this problem???
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by kiwiswimmer » Mon 31 May, 2010 09:38

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I can not find two similar methods to kill Mustard Algae online and no-one seems to know anything on this forum - is it that rare? The pool place I...

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Yes, that is the phosphate remover (lanthanum chloride or lanthanum carbonate) combined with phosphates and carbonates getting backwashed.
11 Replies

5424 Views

Last post by chem geek
Wed 02 Jun, 2010 19:32
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

6447 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

1881 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

14404 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

4615 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

17005 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

3375 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

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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

4453 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

8173 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

2141 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

1678 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

15773 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

6958 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

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