Chlorine

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Is CYA of 70 ppm too high?
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by Jeffm » Sat 25 Apr, 2009 15:36

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So, if you read my other posts, I've got an indoor pool (Endless Pool). Just checked my CYA and it's 70ppm.
Keep in mind there is alot of stainless...

Last post

Yes. Sodium hypochlorite is in both bleach and chlorinating liquid aka liquid chlorine (though technically it's not really liquid chlorine since...
14 Replies

5784 Views

Last post by chem geek
Wed 29 Apr, 2009 20:03
Over Chlorinated Water

by smcrea » Sun 05 Apr, 2009 22:44

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Our Pool is just over a month old. Last Thursday the pool company installed the chlorine generator. They left it running for 24 hours. When I looked...

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I don't know off hand, I only have 1 pool with that system and it is brand new so we have not even started using it yet try reserching it online,...

4 Replies

4732 Views

Last post by Pooltech32
Sun 12 Apr, 2009 16:53
Brands of 3" Tablets/Shock

by spbb558 » Sun 29 Mar, 2009 13:46

First post

I use 3" tablets due to ease of use. I'd like to switch in the future, but not this year. I'm looking to reduce my costs and need some advice.
I...

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As Me... says, some inexpensive brands may have poor binders or compression of the tablets so that they fall apart too quickly. When I used GLB...

5 Replies

7009 Views

Last post by chem geek
Sun 29 Mar, 2009 17:47
Salt Chlorinator

by justmarsh » Fri 03 Oct, 2008 10:10

First post

Can anyone give me additional pointers to the following problem?

The chlorinator turns the pump on and shuts it off when manually selected but when...

Last post

Flow sensor or switch bunged up :problem:

2 Replies

1561 Views

Last post by Guest
Tue 24 Mar, 2009 06:07
can't get chlorine reading

by garedm » Sat 21 Feb, 2009 00:39

First post

chlorine level dropped out from 756 down to 365. keep adding chlorine but when i reach 700+ by morning its dropped out again. Ph levels are steady at...

Last post

You need to shock the pool with non.stabilizer chlorine. Then shock again and again until the chlorine doesn't fall any longer.

2 Replies

1476 Views

Last post by Guest
Wed 18 Mar, 2009 07:29
Pool has stopped needing chlorine!!!!

by Gus904 » Mon 27 Oct, 2008 09:57

First post

In July I bought some cheap chlorine granules from the internet that proved very difficult to test and as a result I over-chlorinated my pool (it's a...

Last post

If your water does not need chlorine it is very great.

If it needs chlorine and you don't give it watch out!! :shock:

The water will be good and...

2 Replies

1429 Views

Last post by Guest
Wed 11 Mar, 2009 06:54
Above Ground Pool Liner "shelf life"

by Pool rob » Thu 29 Jan, 2009 13:05

First post

I have been offered a new liner for my 27' above ground pool. It was new in the box last season, they opened the box, spread it out and realized it...

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Since it was only one season, it should be fine. Do you know if the basement is temperature controled? Like any kind of material, if exposed to...

1 Replies

1214 Views

Last post by aquamom
Thu 05 Mar, 2009 15:24
Chlorine Loss every 2 days

by GrahamL » Sat 20 Dec, 2008 11:48

First post

Using chlorine tabs in skimmer, ph good also using chlorine stablizer but after 2 days the chlorine has dissapeared. Pool water blue and clear its a...

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If I have a pool with high CYA I will go strictly to a shock form of chlorine, liquid or granular, that way your CYA levels will stop increasing...

2 Replies

3117 Views

Last post by Pooltech32
Sat 27 Dec, 2008 01:12
Can I add chlorine in the pool while the chlorine generator

by Stressed but Happy, CA » Mon 15 Dec, 2008 12:13

First post

I have a smart pure sanitizer II that is not working. I am wondering, since I will be out for 2 weeks travelling, if I could put chlorine in the pool...

Last post

Thanks a lot! I already lowered the PH this morning. Will do the liquid chlorine tomorrow morning. Thanks again,

Heloisa

3 Replies

1828 Views

Last post by Stressed but Happy, CA
Mon 15 Dec, 2008 22:56
High free chlorine

by MIKEGOUGH1 » Sat 01 Nov, 2008 15:22

First post

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

1473 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

5766 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

1802 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

1015 Views

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

by jdstock » Mon 22 Sep, 2008 11:51

First post

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...

Last post

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

4832 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...

Last post

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

4061 Views

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

by seachap » Wed 10 Sep, 2008 20:59

First post

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...

Last post

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

1742 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...

Last post

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

2075 Views

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

by Gulfstream2008 » Tue 09 Sep, 2008 11:00

First post

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...

Last post

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

1032 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...

Last post

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

20163 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...

Last post

Test for Cyanuric Acid (Stabilizer).

Fresh water has none and you need it.

1 Replies

1966 Views

Last post by vaughanwilliams
Wed 27 Aug, 2008 01:23

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