Pool Chemical Problems & Swimming Pool Chemicals

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My pool chemistry.... (Final exam)

by hoodfigga » Sun 06 Apr, 2008 11:25

First post

Ok here I go.

I want to set my SWG pool, 15,000gal in sunny south Florida to the following chemical levels.

FC 3. 0

CC 0 (combined chlorine)...

Last post

Oh Yes and I forgot to credit and props to Jason T. Linhart and his very helpfull online Pool Calculator.

3 Replies

1996 Views

Last post by Guest
Sun 06 Apr, 2008 15:26
keeping tadpoles of the pool cover

by smacky007 » Wed 26 Mar, 2008 14:37

I have an in ground pool in my backyard, along with a creek. the problem is that frogs come and lay their eggs in the pool cover (which is filled...

0 Replies

1614 Views

Last post by smacky007
Wed 26 Mar, 2008 14:37
very important question, HELP

by Guest » Sat 22 Mar, 2008 16:17

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i have a friend that hired a villa in spain and it had a pool, she swam in it, got back to uk and she is in a very bad way, the doctors can not find...

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There are many possible diseases and illnesses that can occur from swimming in water that is not properly sanitized. Take a look at this World Health...

1 Replies

1122 Views

Last post by chem geek
Sat 22 Mar, 2008 17:02
Superchlorination & CYA

by sparkwatercleaner » Tue 01 Jan, 2008 19:04

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If cya levels are high, I will need more chlorine to chock my pool than if it was within normal levels??? Are chloramines stabilized by CYA???

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If cya levels are high, I will need more chlorine to chock my pool than if it was within normal levels??? Are chloramines stabilized by CYA???

Yes,...

1 Replies

1173 Views

Last post by chem geek
Tue 01 Jan, 2008 20:47
CYA added by trichlor tabs.

by sparkwatercleaner » Thu 20 Dec, 2007 22:06

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I would like to know how much it would take for two 3" 7oz trichlor tabs, added every week to a floater, to raise CYA levels up to 100ppm in a...

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I would like to know how much it would take for two 3" 7oz trichlor tabs, added every week to a floater, to raise CYA levels up to 100ppm in a...

1 Replies

1593 Views

Last post by chem geek
Thu 20 Dec, 2007 22:18
Chemical Levels. Strange to me.
1

2
by msikes » Tue 04 Sep, 2007 01:44

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I have searched these forums for a similar problem to mine. I find close, but not quite the same. So I hope that maybe someone has seen or...

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I am in So Cal. (La Habra) Anyone know of a good plaster company? I may just get it redone again. I cant stand looking at it the way it is. Not for...
11 Replies

4898 Views

Last post by mr_clean
Tue 20 Nov, 2007 15:01
Borax (borates) in DE filtered pool

by IkeRay » Sat 27 Oct, 2007 00:52

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i just got done reading this article and it seemed that he had a salt water filter/generator, but i liked his results and the "silker" feel...

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First of all, your pool already has salt in it so you should measure that with a salt test (the Aquachek test strip is good for this or you can use...

5 Replies

3788 Views

Last post by chem geek
Sat 27 Oct, 2007 16:15
High Phosphates in Pool

by Rustom » Thu 18 Oct, 2007 21:06

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"For the past few months I have been fighing high phosphates in my swimming pool. I live in Northern California. The initial reading was 3000,...

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If you have no algae problem and your chlorine usage is normal, then why are you adding phosphate remover?

These would be the two things you would...

2 Replies

2149 Views

Last post by mr_clean
Sat 20 Oct, 2007 12:50
WHite lines on surface

by Pgard » Thu 04 Oct, 2007 17:37

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I am seeing a couple of white lines on the side of the pool under the water, it feels hard and when brushed it has a powdery residue in the water....

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what is CH level of water?

you can take sample of pool water to pool store and have them test it.

CH should be 150-350. If higher you could have...

2 Replies

1342 Views

Last post by mr_clean
Mon 08 Oct, 2007 13:58
Ignorant

by Beth » Sun 23 Sep, 2007 13:26

First post

:roll: Can anyone answer several ?s for me I am looking at a house for rent with a salt water pool it is green and nasty it seems to be the house has...

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Sense you might be renting a house, I would talk to landlord about having pool cleaned and inspected so you have no headaches. If they agree then...

1 Replies

1284 Views

Last post by mr_clean
Sun 23 Sep, 2007 15:55
Borax as algaecide - trying to find info

by Ziora » Mon 10 Sep, 2007 19:46

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IG 16x32, sand filter, vinyl liner. Approx. 20,000 gal.

I have been using 4 oz. of PolyQuat 60 per week, but ran out. I read somewhere about using...

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I broke my thermometer in chemistry class and it was downhill from there.

Thanks for the info.

6 Replies

2931 Views

Last post by Ziora
Tue 11 Sep, 2007 22:28
Fly Hatch in my pool

by Skipper » Sat 21 Jul, 2007 16:53

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Help, after every rain here in Southwest Florida my covered pool is literally covered with tiny winged ants. They could be flies in the maturing...

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shock yr pool that will kill them

1 Replies

1225 Views

Last post by fatybabe
Wed 29 Aug, 2007 01:37
High Phosphates

by Pool USer » Mon 20 Aug, 2007 13:25

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Why all of a sudden is there a test and concern about High Phospates. In 28 years it was never a problem +4000, but now it is. I Use a normal...

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when I have seen this problem the phosphate level is close to 1000 and the norm. should be 125-0.

I think your correct on chemicals readings and it...

2 Replies

2492 Views

Last post by mr_clean
Mon 20 Aug, 2007 14:40
My Test of Cyanuric Acid Remover

by Eric » Sun 12 Aug, 2007 15:12

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My pool has cyanuric acid of somewhere between 60 ppm (pool store measurement) and 80 ppm (my measurement). This is making it hard for me to keep the...

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I have a CYA running around 125 after silly pool-guy advice. I'm really wondering whether I'm stuck with drain/refill or not.

Remember, you...

3 Replies

4778 Views

Last post by Backglass
Sat 18 Aug, 2007 09:58
Floc and Clear

by dstinyz » Sun 05 Aug, 2007 09:36

First post

Ok I just spent 25.99 on some floc & clear... it says do not vacuum to filter! I do not have a vacuum to waste option. Can I still use this...

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My pool finally looks great! And I can see the bottom.... my kids will be thrilled to be able to get in again.... thanx so much for your advice!

4 Replies

3273 Views

Last post by dstinyz
Tue 07 Aug, 2007 21:28
algae, How can i tell if my sand filter is the problem.

by dominoe » Mon 06 Aug, 2007 10:19

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I had my sand replaced in my inground pool filter. Ever since that time I have had massive algae issues. Is there a chance that something is wrong or...

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No, your filter is not a source of algae. Your pool chemistry is off somewhere.

Using your test kit, please post a full set of numbers so we can...

1 Replies

1208 Views

Last post by Backglass
Mon 06 Aug, 2007 15:08
Adding Chemicals During Shock Period

by Jack Sparrow » Tue 31 Jul, 2007 10:46

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Is it ok to add other chemicals such as ph/alk increasers/decreasers, etc. while there are superchlorination levels in the pool?

Thanks

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Yes, but the pH test will not measure correctly at shock levels of chlorine (> 10 ppm FC). So don't try and adjust that. Generally, you don't try...

1 Replies

1104 Views

Last post by chem geek
Wed 01 Aug, 2007 16:44
Mysterious sharp increase in CYA

by Ziora » Tue 24 Jul, 2007 21:30

First post

20,000 gal. in-ground, vinyl liner, sand filter.

I don't have a good test kit yet. I have been using a 3-way to get a pH reading, 6-way test strip...

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Kroger has 3qt. ultra bleach on sale for $1. I grabbed a dozen jugs and it was kind of creepy the way people looked at me. One guy in line behind me...

4 Replies

2440 Views

Last post by Backglass
Wed 25 Jul, 2007 13:00
gallons of water in 15x30

by min » Sat 02 Jun, 2007 18:51

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:?: Does anyone know how many gallons of water a 15x30 oval pool holds ? Just moved in and opening the pool, need to know how much schock to add.

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I went to that above site, and I couldn't get the gallons......so searched, and found this website:

www. poolinfo. com /Pool-Volume. htm

It...

2 Replies

4196 Views

Last post by rumztaeb
Wed 25 Jul, 2007 11:01
very low free chlorine, ideal to high chlorine, ideal ph...

by crowland2 » Tue 24 Jul, 2007 13:33

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I used to only check my pool for ph and chlorine using pool water and drops, but recently bought the test strips with 5 readings. My pool is starting...

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I've always gotten by with the pool water at home test that just tests the chlorine and PH. I just bougt the strips to try them, but I haven't really...

2 Replies

7249 Views

Last post by crowland2
Tue 24 Jul, 2007 14:46

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