Chlorine

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High free chlorine

by MIKEGOUGH1 » Sat 01 Nov, 2008 15:22

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Okay, I have covered my pool for the winter with a mesh cover. About 4 weeks before I covered it I made sure all my chemicals were correct. The only...

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When the pool is covered with an opaque cover (a mesh cover is at least partly opaque and lets a limited amount of sunlight through), then the UV...

1 Replies

1494 Views

Last post by chem geek
Sat 01 Nov, 2008 18:21
Chlorine pucks in skimmer

by [email protected] » Sat 01 Apr, 2006 21:46

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I was recently told by someone that putting Chlorine pucks in your pool's skimmer will is bad for the pool because it will eventually ruin your...

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how many pucks do i put in chlorinator and what do i put dial on. My freind said if i have 5 pucks in there put the dial on five. Is this true?

2 Replies

5881 Views

Last post by Guest
Mon 20 Oct, 2008 10:26
Correct testing for Chlorine

by Vet » Fri 10 Oct, 2008 01:29

First post

I just had my pool water tested at the shop and was shocked to find the fc down to .5 I have been doing the Dpt tablet test often and balancing the...

Last post

Thanks Richard
Will invest in new kit. :D

3 Replies

1837 Views

Last post by Vetsa
Thu 16 Oct, 2008 06:20
chlorinator

by Kendalr » Thu 09 Oct, 2008 18:41

Our chlorinator is not putting chlorine in the pool. We called a pool guy who said that it must be "gunked up" and that we will have to...

0 Replies

1030 Views

Last post by Kendalr
Thu 09 Oct, 2008 18:41
extremely low ph

by jdstock » Mon 22 Sep, 2008 11:51

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I live in a villa in the UAE and pool maintenance is done by the staff so I have never worried about the readings. I bought a cheap kit just to check...

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Your pH may not have really been 4.0 but in any event The Pool Calculator doesn't work very well for large changes outside normal pH and TA ranges....

4 Replies

5118 Views

Last post by chem geek
Tue 30 Sep, 2008 20:21
Chlorine lost to sunlight no matter what!

by SL1 » Tue 09 Sep, 2008 21:43

First post

My mother's pool maintenance company has been dumping enormous amounts of chlorine into her pool this summer, but always gets 0 ppm at their next...

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Not when the CYA level is at 100 ppm. The FC number by itself is meaningless in terms of the "active" chlorine concentration, that is of...

6 Replies

4228 Views

Last post by chem geek
Thu 11 Sep, 2008 01:51
pink slime

by seachap » Wed 10 Sep, 2008 20:59

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This is the second time I've addressed this issue, and haven't gotten a response so I wonder is it pink slime or not. I've seen a few people inquire...

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my occurrences with pink algae occur when you went on vacation to a beach or the caribbean and didn't properly wash your bathing suits.. for some...

1 Replies

1837 Views

Last post by pool kid
Wed 10 Sep, 2008 23:17
Can't keep chlorine

by Stumped » Tue 26 Aug, 2008 13:21

First post

I'm giving up and closing the pool this weekend. I have had the same problem all year of not being able to keep chlorine in the pool. I can double...

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As I posted elsewhere, shocking with chlorine does NOT get rid of nitrates nor phosphates, but it will kill an impending algae bloom. However, if you...

2 Replies

2117 Views

Last post by chem geek
Tue 09 Sep, 2008 21:57
Cloudy water/Algae

by Gulfstream2008 » Tue 09 Sep, 2008 11:00

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PH 7.0 Akaline 40 ppm Chlorine remaining @4 ppm or more will not come down. and still making Algae. have backwashed for thirty minutes and refilled...

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raise you ph to 7.4 - 7.6 and alkalinity to 120ppm then add some more algeacide. Sometimes with level of 7.0 and 40 the acid eats up the algeacide...

1 Replies

1051 Views

Last post by pool kid
Tue 09 Sep, 2008 20:46
chlorine shelf life

by notapoolnewbie » Mon 21 Jul, 2008 20:55

First post

Greetings PoolFolks,

We've had a small pool for a few years now...no probs. :D

Our question is about the quality of chlorine which has been...

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I switched over to a salt system. Best thing we ever did. I went all season with only adding shock when it was opened. The salt kept my levels...

3 Replies

21087 Views

Last post by tpm
Fri 05 Sep, 2008 07:49
Chlorine level drops fast. how do I stabilize it?

by haskell5 » Tue 26 Aug, 2008 23:51

First post

It seems like every other day I have to add chlorine. I recently drained my pool does that have anything to do with it? What do I need to add to keep...

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Test for Cyanuric Acid (Stabilizer).

Fresh water has none and you need it.

1 Replies

1996 Views

Last post by vaughanwilliams
Wed 27 Aug, 2008 01:23
chlorine grandular vs liquid?

by evansindy » Sat 23 Aug, 2008 07:18

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Hello. My husband and I are having a "discussion" on which form of chlorine is better for our 22,000 gallon pool in Florida.

Better...

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You apparently posted the same question in this thread at poolcenter(dot)com and I answered the question over there.

1 Replies

1330 Views

Last post by chem geek
Sat 23 Aug, 2008 12:14
Can't keep chlorine level

by Stumped » Wed 20 Aug, 2008 08:25

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I've been unable to get a chlorine level all summer. I'm pretty fed up and now just want to get the water right so I can throw on the cover. I have a...

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Thanks. The FC test is accurate as I've had it tested many times at pool stores. If I have to drain and refill how much is recommended. Like I said...

2 Replies

2593 Views

Last post by Stumped
Wed 20 Aug, 2008 12:46
FC vs CYA levels

by fjdavid » Wed 30 Jul, 2008 12:34

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I've been reading a lot on this forum about pool chemistry and the one thing i haven't found is how to determine what my FC level should be based on...

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Most of the chemicals in the test will be good for 2 years. The most sensitive chemicals are the titrating drops in the chlorine test. The next most...

6 Replies

3765 Views

Last post by chem geek
Mon 18 Aug, 2008 17:48
Not enough chlorine

by Stressed but Happy, CA » Sat 26 Jul, 2008 22:21

First post

I tested low in chlorine. Should I increase setting to 65% and re-test it after 24 hrs.? I have a chlorine generator and it is set to 60%, PH is...

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Is this a salt water chlorine generator? Do you know what your CYA level is?

I am not getting enough chlorine from my chlorinator,even though it...

4 Replies

2914 Views

Last post by Guest
Sun 03 Aug, 2008 07:52
too much chlorine

by poolgirl375 » Thu 31 Jul, 2008 13:28

First post

I keep getting black spots on pool bottom. Added chlorine granules and raised alkalinity level. Next day chlorine test strip shows deep purple (past...

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Woke up this morning, pool is clear and blue. Never looked better. Would still like to know what caused the green hue to the water yesterday.

1 Replies

1437 Views

Last post by poolgirl375
Fri 01 Aug, 2008 07:29
constantly adding chlorine

by irishsph » Fri 25 Jul, 2008 14:20

First post

I just bought a Taylor K 2006 test kit, and if I performed my first test properly, here are my readings:

FC = .4ppm

CC = .22 ppm

pH = 7.6...

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I would push the CYA level up to 40-50. Is your water clear? Chlorine is used up fighting algae or can be broken down and used up by the sun. A...

1 Replies

1330 Views

Last post by Guest
Wed 30 Jul, 2008 03:40
Chlorine shock

by gillianb » Thu 17 Jul, 2008 06:39

First post

How much chlorine per liter do you use to shock?

Last post

oops, my mistake, don't know why i put 10%, must've been too sleepy :oops:

3 Replies

2229 Views

Last post by Strannik-au
Fri 18 Jul, 2008 06:00
Granular chlorine not dissolving

by travs69 » Mon 14 Jul, 2008 18:29

First post

Wife went to shock the pool 2 weeks in a row and both times I have gotten up the next day and the chlorine is just sitting at the bottom of the pool....

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HTH Super Sock It is Cal-Hypo (53% Available Chlorine). For every 10 ppm Free Chlorine (FC) added by this product, it also increases Calcium Hardness...

3 Replies

14966 Views

Last post by chem geek
Tue 15 Jul, 2008 00:43
Chlorine stains

by snnyretired » Sun 13 Jul, 2008 16:40

First post

Evidently I had a high chlorine level when my local Pinch a Penny rep said to add a half a jug of liquid chlorine and 3 pints of acid. It didn't...

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I have the same problem in my pool and a few weeks ago I had to drain it to repair a crack and the gunite company suggested an acid wash on the...

1 Replies

1678 Views

Last post by cocoribbit
Mon 14 Jul, 2008 19:20

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