Pool Algae & Green Pool Water

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no suction when vacuuming to waste
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by sydneyfnp » Thu 16 Aug, 2007 19:39

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I have a major algae problem and know I need to vacuum to waste. Vacuum works fine when I hook it up while the sand filter is set to...

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There is no sction on my pool. The engine is working but nothing is happening on the suction process]
12 Replies

9023 Views

Last post by Guest
Thu 27 Nov, 2008 15:50
Green Algae
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by Guest » Sun 26 Oct, 2008 14:54

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Hi All,

I just found your wonderful forum, and was hoping someone can help rip my pool of this green algae.

I have a 'dropper test' that I can...

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Chlorine alone can clear the pool as shown in this thread , but you can use a flocculant such as OMNI Liquid Floc Plus to accelerate the process at...
10 Replies

4716 Views

Last post by chem geek
Wed 29 Oct, 2008 21:24
VERY LOW PH AND HEAVY ALGAE

by TAPON » Thu 23 Oct, 2008 18:53

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I LEAVE IN THE HOUSTON TX AREA AND EVER SINCE HURICANE IKE MY POOL HAS NEVER BEEN THE SAME.MY PH IS VERY LOW(6.8) I HAVE ADDE SODA ASH TWICE DOUBLE...

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The primary problem is that your Cyanuric Acid (CYA) level (aka stabilizer or conditioner) is too high. That makes the chlorine less effective and...

1 Replies

1283 Views

Last post by chem geek
Thu 23 Oct, 2008 19:16
water green

by sandyb » Wed 28 May, 2008 07:39

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My daughter has an inground pool.They have spent lots of money trying to get it ready. The water is still green.PH is fine .They have shocked it,and...

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green water is caused by several things most commonly algee after shocking pool the green will turn to a gray this gray is dead algee.the dead agee...

3 Replies

1608 Views

Last post by pismopoolman
Wed 15 Oct, 2008 15:55
Black Algae in grout.

by help » Thu 09 Oct, 2008 21:31

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will drianing the pool and let the sun shine on it for a week or two kill it..

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No. You need to expose the black algae to high levels of chlorine and need to frequently scrape the surface (using a metal brush if you've got a...

1 Replies

1233 Views

Last post by chem geek
Sun 12 Oct, 2008 05:09
foaming from algaecide, can't get rid of the foam, what next

by whosail » Sun 05 Oct, 2008 12:39

First post

how do you get rid of the foam after using an algaecide?

Dave

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In the future do not use a linear quat (inexpensive) algaecide. Instead, if you must use an algaecide, use PolyQuat (best buy is 60% known as...

1 Replies

3287 Views

Last post by chem geek
Sun 12 Oct, 2008 05:07
Ongoing struggle with algea

by ltorres » Fri 03 Oct, 2008 01:45

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we are dealing with a pool cleaning company that has not helped much. we are at the point of doing the maintenance ourself. Pool guy said something...

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I suspect you are using a floating chlorinator where you add Trichlor pucks/tabs as your source of chlorine. These will not only add chlorine that...

1 Replies

1171 Views

Last post by chem geek
Sun 12 Oct, 2008 05:00
brown spots on sides and bottom or pool

by poolgal » Thu 04 Sep, 2008 12:57

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Help! Last year we bought a house with a 30 yr old Anthony plaster pool (20,000 gallons). We just opened it a few weeks ago for the first time. The...

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I put the vitamin c on the stain and it turned a purplish-brown...which, by the way, won't come off

no what? seeking ideas :oops:

7 Replies

9504 Views

Last post by not so birhgt
Fri 03 Oct, 2008 16:00
Chlorine is up, water still somewhat green

by jan263 » Mon 29 Sep, 2008 18:49

First post

I have a small above ground, 15'. I let the chlorine tab run out and of course, I got greenish water. I brought the chlorine level back up and the...

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First I would need to know your chemistry readings. What exactly is your free chlorine, pH, TA, and stabalizer (cyanuric acid) levels? If your pH is...

2 Replies

1444 Views

Last post by muss08
Thu 02 Oct, 2008 20:30
Leaves, etc. in my pool.

by fundiver » Thu 14 Aug, 2008 15:54

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Hi, I'm presently taking care of a 900,000 litre (25,000 gal) in ground pool here in Northern Italy. Being surrounded by trees, many leaves and...

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dude i would cut the whole tree down if its giving you that much problems

naw im just kidding

hell ya cut over hanging branches

trimm bushes get...

2 Replies

1485 Views

Last post by mvp2ooo8
Tue 30 Sep, 2008 16:26
Algea problem swimming pool

by Algea » Mon 19 Dec, 2005 17:45

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Help me pleas. I got algea and the algi so bad I cant see the water for green pool and like pea color algis in pool water.

Can algea is dangerus?...

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No algea since near 3 years. Pool Wizard is good for algea yes.

But now cannot find it. They say in 2009, oh no maybe I get again algea. I need...

3 Replies

6540 Views

Last post by Algea free
Sat 27 Sep, 2008 12:31
Algae stuck in divots of pool liner

by imaitrt » Sun 21 Sep, 2008 20:13

I believe I have some form of mustard algae. I am a Bacquacil user. My problem is that the algae is stuck down in the divots where my sand has...

0 Replies

1255 Views

Last post by imaitrt
Sun 21 Sep, 2008 20:13
Black Algae

by hugill1 » Thu 18 Sep, 2008 11:01

Hi will Hipoclorito Sodica kill the black Algae and clean the pool if put in the water.

0 Replies

779 Views

Last post by hugill1
Thu 18 Sep, 2008 11:01
copper sulfate

by puppysandkitty » Fri 12 Sep, 2008 06:03

First post

what is the correct application rate to add copper sulfate to kill off algae

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I don't have info to give you on this but I would say that I'd never use it in a swimming pool. The chance of staining of the pool surface is just...

1 Replies

1934 Views

Last post by Guest
Fri 12 Sep, 2008 14:36
pool algae returns all season long

by cozmo1 » Tue 09 Sep, 2008 08:22

First post

I have the same but different problem with my pool. For fifteen years I have always had crystal clear water. At the end of last year I had a slight...

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You say that all of your readings seem fine, but if you've been using lots of chlorine tabs then your CYA level may be very, very high. You will...

1 Replies

1096 Views

Last post by chem geek
Tue 09 Sep, 2008 10:16
Controlling winter algae

by dano9 » Tue 09 Sep, 2008 06:59

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We live in community with a neighborhood pool that a pool company manages for the summer, but we tend to over the winter (budget is REALLY tight)....

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The least expensive way to prevent algae over the winter would be to maintain a sufficient Free Chlorine (FC) level that is at least 7.5% of the...

1 Replies

1613 Views

Last post by chem geek
Tue 09 Sep, 2008 10:09
low chlorine

by mark r » Mon 01 Sep, 2008 12:02

First post

cannot get chlorine to last, using far more chlorine than in past, all other levels are correct, including stabilizer -- chlorine drops to nothing...

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Probably a nascent algae bloom not yet visible. Shock with chlorine at the appropriate FC for your CYA level. See this link and the one on shocking...

1 Replies

1206 Views

Last post by chem geek
Wed 03 Sep, 2008 00:56
green cloudy water/algae

by Guest » Tue 02 Sep, 2008 15:44

First post

We have been struggling with green cloudy water for about 1 month. Recently we shocked it hard to try to kill the algea, but it still looks green and...

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You don't just shock once. The chlorine gets used up so you need to add more to maintain a high Free Chlorine (FC) level. However, if the Cyanuric...

1 Replies

1482 Views

Last post by chem geek
Tue 02 Sep, 2008 16:25
Sand in Pool

by PatriciaDM » Sun 31 Aug, 2008 12:13

First post

There is about 2 cups of sand in front of each of the two output spiggets in the pool. This has never happened before?

Any idea of what this...

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You must have a sand filter. One of the laterals in the bottom of the filter is cracked.

1 Replies

1001 Views

Last post by Guest
Mon 01 Sep, 2008 17:51
Algae I.D. PLEASE

by buzz00 » Sun 31 Aug, 2008 10:49

First post

Been fighting this stuff for a wile now.Thought it might be dust or pollen but I now know it is algae.It looks like a brownish dust on the bottom of...

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If this stuff tends to grow on the shady side of the pool, then this sounds like yellow/mustard algae. If it's all over, then it's more likely to be...

1 Replies

1591 Views

Last post by chem geek
Sun 31 Aug, 2008 12:04

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