Pool Algae & Green Pool Water

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Clear water- green dust on bottom

by barbaranna » Sat 04 Jul, 2009 10:48

First post

You guys helped me clear up my pool water but I always have the same problem every year and dont know what to do about it. The water is clear, the...

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Read the Pool School and in particular note that if you use stabilized chlorine (Trichlor or Dichlor) that this increases the Cyanuric Acid (CYA)...

1 Replies

7882 Views

Last post by chem geek
Sat 04 Jul, 2009 12:23
Mustard algae despite FC 4.5 and CYA of 30?

by camvy02 » Wed 01 Jul, 2009 18:46

First post

Thanks to reading a lot on this board and the Pool School, I am now using the BBB method. Two Sundays ago, my pool was totally green. I used liquid...

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Algaecide is better at preventing algae than killing an existing outbreak, but combined with chlorine the two can work together. Usually chlorine...

3 Replies

2862 Views

Last post by chem geek
Sat 04 Jul, 2009 02:21
Water is very green - Leslie's says "we don't have a clue"

by threekidsmum » Thu 11 Jun, 2009 11:42

First post

Problem : VERY GREEN WATER, 2wks plus

FC : .5
TC : 1
pH : 7.8
TA : 210
CH : 370
CYA : 115

My pool : 12,000 gallons
Pool chemicals : started...

Last post

Thank you to all of you that have helped us solve this issue! The pool is finally a beautiful clear blue and is sparkling clean! I really do...

5 Replies

3438 Views

Last post by Denali
Fri 03 Jul, 2009 15:44
Alot of money spent - still no solution

by dannalong » Fri 03 Jul, 2009 07:49

First post

I have an intex easy set up pool 15 x 42. Live in country with well water. Had water tested. Results: temperature: 90. CYA: 0; Free Choloine: 0.1;...

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With your very high CYA level I would dump and start over. It will be very hard to kill the algae by chlorine alone and you could use an algaecide...

3 Replies

1601 Views

Last post by chem geek
Fri 03 Jul, 2009 15:37
Green Water Problem

by griffin90 » Mon 15 Jun, 2009 17:55

First post

Code: Select all
Problem :Green Water

FC : 0.07
TC : 0.22
pH : 8.08
TA : 34
CH : 178
CYA : 9

My pool : 18x36 vinal, chlorine w/ nature2...

Last post

Hi
2 things cause the green water.
1st one is green algae problem and the 2nd one is copper.
Since, you have been used the algaecaide there is one...

1 Replies

921 Views

Last post by poolish
Tue 30 Jun, 2009 11:45
Too much Algecide in pool

by vernonh » Mon 29 Jun, 2009 13:38

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My pool had some alge in it, so I took an half of bottle algaecide and poored it Like I sprinkle shock around the pool, well I think I added too...

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depends on what sort of algaecide you have used and what the active ingredient is.

As for addign to much ? how big is your pool and what did the...

1 Replies

1402 Views

Last post by Aquaclear-NZ
Tue 30 Jun, 2009 03:08
Please Help - Extremely Green Pool!!! No Progress
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by sptygl » Sun 07 Jun, 2009 00:29

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HELP - PLEASE!!!
I have approx a 20,000 gallon inground pool, 8-10 ft at the deep end. I have a neighbor's tree that is a HUGE problem most of the...

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I was concerned because I don't see the waterfall overflow from the spa into the pool, and that's why I thought something else may be blocking the...
25 Replies

8039 Views

Last post by Denali
Mon 29 Jun, 2009 02:14
Not a new topic...green pool???

by whitelexus » Fri 26 Jun, 2009 11:39

First post

Yes I am new and I have a few questions..I have read all I can and to be honest I am lost. My pool was never swimmable last year..long story but this...

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Laughing...I quit! I dumped bleach all evening and went to the house for a rest...in less than an hour it was all gone! So I think I will vaccum all...

9 Replies

3057 Views

Last post by Denali
Sat 27 Jun, 2009 20:21
Green Pool can't get clear

by mstrianse » Fri 26 Jun, 2009 08:23

First post

Pool was opened on Labor Day weekend, my cover ripped and all leaves and dirty water went in. I have cleaned out all of the leaves and shocked the...

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Get yourself a good test kit, either the Taylor K-2006 you can get at a good onine price here or the TF100 kit from tftestkits.net here with the...

1 Replies

1235 Views

Last post by chem geek
Fri 26 Jun, 2009 11:28
Pool water green

by PoolMom » Mon 22 Jun, 2009 20:30

First post

I have no idea what to do. It has been raining for 17 out of the last 23 days. My pH is great; the alkalinity is great; the stabilizer is okay; the...

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Are you talking about ProTeam Mustard & Black Magic algaecide? That is sodium bromide which turns your pool into a bromine pool. This works...

2 Replies

1604 Views

Last post by chem geek
Thu 25 Jun, 2009 11:59
No matter how much we shock no chlorine registers....

by Sick of Green » Tue 23 Jun, 2009 20:50

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Our pool is a pear shaped, 30 ft long, 8ft to 3 ft vinyl inground that holds 22,000 gal. We were fools (now we know) for not covering our pool this...

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Im more than half way draining the pool completely just didnt want to take any chance. Pool has not been clean all year because I couldn't see the...

4 Replies

1988 Views

Last post by sick of green
Wed 24 Jun, 2009 10:32
Pool Algae Problem Support

by shotbeck » Fri 12 Jun, 2009 14:51

First post

Problem: Can't seem to get rid of growth in concrete pool. It is very rough in texture. On the walls of pool it is almost yellowish orange in color...

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In the future, please post a separate thread. You should get your own good test kit, either the Taylor K-2006 you can get at a good online price here...

2 Replies

1387 Views

Last post by chem geek
Wed 17 Jun, 2009 14:48
Clear pool, brown tinted slime on shell

by Guest » Mon 15 Jun, 2009 18:42

First post

Just as the subject states, I have a clear balanced pool, but it is a fiberglass shell. On the sides and bottom of the shell are a slimy brown...

Last post

any ideas?

2 Replies

1525 Views

Last post by cdsonsini
Tue 16 Jun, 2009 21:00
Green water after 2 weeks of opening/shock/etc

by ricojohn » Mon 08 Jun, 2009 19:07

First post

cant seem to get water clear. opened pool 2 weeks ago and have shocked and vacuumed and circulated as much as possible (even though the DE filter...

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thanks! i think i may just replace them because i did soak very very well a few days ago. they were very clean! the green has gone away! but now it...

7 Replies

3919 Views

Last post by Denali
Sun 14 Jun, 2009 12:19
Green water

by patricia » Sat 13 Jun, 2009 07:37

We were away for 6 weeks and returned to a very swampy pool. We emptied and cleaned it, and are refilling it with a pristine clean filter. As it...

0 Replies

453 Views

Last post by patricia
Sat 13 Jun, 2009 07:37
Dark green, almost black pool with a salt system.

by Chris » Fri 12 Jun, 2009 07:32

Just opened my neighbors pool and it is filled with algae. The water is so dark, you cannot see the bottom in the shallow end. She has a salt system....

0 Replies

626 Views

Last post by Chris
Fri 12 Jun, 2009 07:32
Brown Spots on Liner

by FSMILEYS » Fri 12 Jun, 2009 01:59

I started getting brown spots on my liner. I took a sample of my water to the pool place and they told me my alkalinity was low so I purchased a...

0 Replies

902 Views

Last post by FSMILEYS
Fri 12 Jun, 2009 01:59
Advice needed please
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Attachment(s) by jokrswylde » Mon 01 Jun, 2009 09:45

First post

pool has been a nice, cloudy, olive green color for about a month. During the three weeks I have tried using bleach, sodium dichlor, calcium hypo, I...

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With a Cyanuric Acid (CYA) level of 69, the shock level of chlorine is around 25 ppm FC or so. It will take a lot longer to clear at 10 ppm FC so I'd...
10 Replies

4301 Views

Last post by chem geek
Thu 11 Jun, 2009 21:15
Green tint

by steve1793 » Tue 09 Jun, 2009 10:30

hello
i have never had problems in the past. i have a nature 2 cartridge and usually can keep my chlorine low.
recent check has everything in the...

0 Replies

950 Views

Last post by steve1793
Tue 09 Jun, 2009 10:30
Green water coming through return

by dnjsmom88 » Mon 08 Jun, 2009 18:42

First post

This is the 4th summer we have had our pool...it came with the house. The pump is about 2 years old, the Hayward 220 sand filter is about a month...

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You should be shocking with high levels of chlorine to break down the algae. Read Defeating Algae and please get yourself a proper test kit (either...

1 Replies

1243 Views

Last post by chem geek
Mon 08 Jun, 2009 21:01

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