Pool Algae & Green Pool Water

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extremely fouled pool next door

by goodneighbor » Sun 27 Jun, 2010 23:47

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My neighbor, a 65 year old widow, has an average sized kidney shaped swimming pool that has gone unmaintained for probably 10 years or so since her...

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Chlorine will combine with ammonia and organics to form chlormaines. Some of these are very foul smelling and irritating such as nitrogen trichloride...

1 Replies

1086 Views

Last post by chem geek
Tue 29 Jun, 2010 12:57
Clear water - green sides and bottom

by srm3008 » Mon 07 Jun, 2010 08:00

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This is a first for me, having had this pool for many years. When I opened the pool, the bottom and sides were green - greener than usual. I assumed...

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Luckily, I finally found someone who had a clue. Try this.

Scrub the stain hard with a chlorine tablet. If it's any kind of algae, the chlorine...

2 Replies

9351 Views

Last post by srm3008
Tue 22 Jun, 2010 20:30
Algae Bloom and superchlorination

by kaptn » Mon 21 Jun, 2010 07:55

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My stats as of Friday morning from a pinpoint analysis. I was getting similiar reads from my Taylor kit on Chlorine and PH.

FC 0.7
TC 1.6
CC 0.9
TA...

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Ok just got back from being tested....these numbers were as of this morning at 7:00am

FC 10.0
TC 10.0
CC 0.0
TA 106
PH 7.1
CA 143 (yikes...higher...

5 Replies

2875 Views

Last post by kaptn
Tue 22 Jun, 2010 12:00
Broke soldier needs help with green pool

by zach22213 » Sun 20 Jun, 2010 16:14

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i need help getting my inground pool ready, i dont have much money so i have been using bleach as i was told this is a good alternative to shock....

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If your Cyanuric Acid (CYA aka stabilizer or conditioner) level is too low then the chlorine will break down in sunlight; if it's too high then it...

1 Replies

1001 Views

Last post by chem geek
Sun 20 Jun, 2010 22:38
Bleach or Shock?

by calamtykelagain » Thu 17 May, 2007 14:44

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Pool cover fell into the pool this year, so we opened to a big of a mess and a lot of frogs! They are slowly floating to the surface along with...

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you need to test for phosphates and nitrates.
Chlorine alone is able to kill algae faster than it can grow, even at very high phosphate and nitrate...

5 Replies

4390 Views

Last post by chem geek
Sun 20 Jun, 2010 19:31
Weeds gowing out of side of pool

by Eleanor » Thu 17 Jun, 2010 12:52

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How do you stop weeds growing out of the sides of a (chlorine) swimming pool along the line of the liner?

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Along the line?? Do you mean the bead-(where the coping holds the liner to the wall)

1 Replies

934 Views

Last post by SteveM1800
Thu 17 Jun, 2010 13:43
small green plants???

by 2744pool » Sun 06 Jun, 2010 14:36

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All the levels are balanced, but I have these TINY (1/4 inch at most)two leaf red stemmed "plants" They are at the bottom and no mater how...

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What kind of pool do you have?

1 Replies

906 Views

Last post by SteveM1800
Thu 17 Jun, 2010 12:32
Help! Cloudy green water

by rond » Sun 06 Jun, 2010 11:22

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I really ned some advice! I have a 10K gallon above ground doughboy with a sand filter. This spring I eliminated all Bacquacil from my pool(levels...

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Hello,

Add 1.5 gallons of liquid chlorine, 5lbs of stabilizer/conditioner and circulate it for a day. You will be fine. Stop the shock. They are...

1 Replies

942 Views

Last post by riverdogg8899
Tue 15 Jun, 2010 13:06
Thanaks Chem Geek & others

by Traz » Thu 10 Jun, 2010 14:29

First post

I just wanted to say thanks to this forum & especially Chem Geek for the tips. Our pool is crystal clear. I am talking the clearest I have seen...

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Your welcome.

1 Replies

716 Views

Last post by chem geek
Thu 10 Jun, 2010 14:55
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

5480 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

1987 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

6485 Views

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

by Eleanor » Sun 23 May, 2010 13:09

First post

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

1882 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

First post

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

14474 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

4631 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

17053 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

3383 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

4469 Views

Last post by chem geek
Sat 01 May, 2010 08:36

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