Chlorine

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Chlorine won't come down

by allencrew » Tue 24 Jul, 2012 09:51

First post

This forum and the Pool School have been immensely helpful through the past few years of pool ownership. However, I find myself with a problem that...

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There is no such thing as "powdered liquid chlorine". You are probably talking about chlorinating granules which could be Dichlor (which...

3 Replies

3687 Views

Last post by chem geek
Thu 26 Jul, 2012 02:42
Do constant sanitizer levels promote bacteria growth?

by pkn2 » Wed 04 Jul, 2012 21:26

First post

I did not see a specific bromine forum. I apologize if this is the wrong place, but I would think that this same question would apply to chlorine...

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While constant exposure to antibiotics and other chemicals that kill using a single mode-of-action can allow for mutations to have bacteria develop...

1 Replies

1863 Views

Last post by chem geek
Thu 05 Jul, 2012 11:35
Merkel defends compromise deal on eurozone banks

by Alfonso » Sat 30 Jun, 2012 20:35

Germany's Chancellor Angela Merkel says she is satisfied with a deal to help finance debt-laden eurozone countries.

"I think we found a good...

0 Replies

589 Views

Last post by Alfonso
Sat 30 Jun, 2012 20:35
My free chloride is off the charts

by Lilbit13mp » Sun 24 Jun, 2012 12:08

First post

New pool owner... small 5,000 gallon above ground pool.
Today's test redings...
Hardness- 0
Total Chloride- 3
Free Chlorine- 10 (as high as my test...

Last post

You are right, the Free Chlorine (FC) cannot be higher than the Total Chlorine (TC). The high chlorine level is partially bleaching out the test. You...

1 Replies

1296 Views

Last post by chem geek
Sun 24 Jun, 2012 16:11
chemicals

by poolnewbie21 » Sun 15 Aug, 2010 15:00

First post

Pool Chemicals:
Hello all,
I am a new home owner and the house came with a pool. After some troublesome pool cleaning companies I have decided to...

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Pool Chemicals:
Hello all,
I am a new home owner and the house came with a pool. After some troublesome pool cleaning companies I have decided to...

3 Replies

2419 Views

Last post by andrrewdamien
Thu 31 May, 2012 12:35
Major Chlorine Issues--HELP
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by kellyjean » Thu 10 May, 2012 21:36

First post

I opened my pool one week ago today. Filled it, let the pump run for 24 hours ane then took a sample to the store. Initially eveything was good. The...

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The sand change is what turned the corner for me...then the shock seemed to be much more effective. No way to know if was coincidence or not. Good...
10 Replies

4953 Views

Last post by kellyjean
Tue 29 May, 2012 07:42
Zero chlorine reading

by dodgegirl48 » Thu 24 May, 2012 19:31

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I just had my water tested and was told to add 4 jugs of trichlor,some soda ash for ph level and calcium chloride.After adding everything by the...

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Possibly, though your continued use of Trichlor probably means that your CYA level is very high. Test strips are worst at measuring CYA. Do yourself...

3 Replies

2431 Views

Last post by chem geek
Sat 26 May, 2012 03:00
How expensive is it to maintain your own pool?
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by jackson911 » Fri 24 Sep, 2010 15:27

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I pay an extra $50.00 on my rent per month for my landlord to pay for pool service every month, which I understand is very reasonable for weekly...

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I'm surprised by the high cost of maintenance some of you people are experiencing. My season is short, from mid May to mid September, but my annual...
34 Replies

26207 Views

Last post by BillD
Fri 25 May, 2012 09:14
Pool won't hold chlorine and all other levels seem good

by mckennadaniels » Thu 17 May, 2012 08:38

First post

My pool won't hold the chlorine. I shocked once when still cloudy, it cleared up, and have just had in tablets since. But stick reads nothing for...

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Get yourself a proper test kit, either the Taylor K-2006 or the TF-100 and use The Pool Calculator to calculate dosages. Shocking is not a one-time...

2 Replies

2422 Views

Last post by chem geek
Fri 18 May, 2012 05:42
Another year, another Ammonia Nightmare

by Nagrath » Mon 14 May, 2012 10:04

First post

Hello Pool Experts (and especially Chem Geek!)
You all have helped me in the past; for the last 3 seasons I have been experiencing the same issue...

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Update-
Added 8 more gallons; Ammonia/CC dropped to zero, FC at 10. Woo hoo! Now what to do about the cloudiness? Water looks kind of cloudy, but...

1 Replies

886 Views

Last post by nagrath
Mon 14 May, 2012 13:48
Low or no chlorine

by jeff1966 » Sun 13 May, 2012 10:25

First post

I opened my pool a week ago it was very green and dirty, more so than usual, I am guessing because we had a very mild winter. Anyway, the pool is now...

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See It Can Happen to Anyone - Zero Chlorine, CYA --> Ammonia . First I'd make sure you truly have no chlorine since high chlorine can bleach out...

1 Replies

1040 Views

Last post by chem geek
Mon 14 May, 2012 06:23
Amount to use for 18,000 gallon pool

by rocks911 » Tue 21 Feb, 2012 10:15

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I am the owner of an 18,000 gallon inground white plaster pool and am wondering how much chlorine to add daily. I'm not sure what my chlorine levels...

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Here's a link to The Pool Calculator

3 Replies

4258 Views

Last post by chem geek
Sun 04 Mar, 2012 12:54
DPD1 Chlorine test results delayed?

by rwilson86 » Wed 01 Feb, 2012 22:23

Looking for soem advice on the use of DPD1 test tablets for residual chlorine testing. I am a new Pool owner (< 1 month) and have just started...

0 Replies

3235 Views

Last post by rwilson86
Wed 01 Feb, 2012 22:23
Stabiliser too high?

by pdiddy » Wed 06 Jul, 2011 13:38

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:? We have had our swimming pool at our holiday home in France for 12 years, partly maintained for us when our paying guests are in residence by a...

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:? We have had our swimming pool at our holiday home in France for 12 years, partly maintained for us when our paying guests are in residence by a...

5 Replies

3295 Views

Last post by petershobasky
Thu 24 Nov, 2011 03:29
Cya=80 Or Cya=50 & Chlorine Demand

by Henry_R » Fri 02 Sep, 2011 11:22

First post

I'm now extremely confused by my CYA readings.
I'm using a TF100 kit. When I read the test for CYA I get to around 50 mark and so I read CYA=50.

At...

Last post

Are you sure that's not a 192 ounce bottle of bleach (that would be 1.5 gallons which is more typical for the larger size bleach bottles)? Anyway, if...

5 Replies

4468 Views

Last post by chem geek
Sun 04 Sep, 2011 22:25
Mild chlorine bounce+strong chlorine odor but no CC in test

by Henry_R » Mon 29 Aug, 2011 08:04

First post

I thought a strong chlorine odor was usually the result of used chlorine forming CC in the water, but the FAS-DPD test shows none. So what stinks if...

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The TF-100 also uses Taylor chemicals. I didn't realize it didn't have the (alternative) 25 ml 0.2 ppm instructions. You can find those instructions...

4 Replies

2485 Views

Last post by Henry_R
Sun 04 Sep, 2011 08:55
Shopping around for 10%-12% chlorine

by Henry_R » Thu 25 Aug, 2011 08:29

First post

My HOA is using 10% chlorine liquid in our HOA community pool. We just got 5-4 gallon bottle cartons which is $14 per at a local pool store. All we...

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An saltwater chlorine generator (SWCG) for 20,000 gallons putting out even 4 ppm FC during 8 hours of the day would be 10.7 ounces (about 300 grams)...

4 Replies

1866 Views

Last post by Henry_R
Thu 01 Sep, 2011 02:07
Foamy water in Chlorinator

by jsar » Tue 16 Aug, 2011 11:29

First post

I was wondering if someone could tell me why the water in the chlorinator is foamy and a 'waxy' buildup is along the inside of the chlorinator. I am...

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Thanks so much.....will try this today and see what happens! :D

4 Replies

1912 Views

Last post by jsar
Tue 30 Aug, 2011 07:16
10% chlorine what is other 90%?

by Henry_R » Wed 24 Aug, 2011 19:44

First post

Hi all, I'm wondering what the other 90% of a 10% liquid chlorine bottle is? Bottle says "10% Sodium Hypochlorite, 90% inert ingredients"....

Last post

10% Sodium Hypochlorite (chlorine)
7.8% Sodium Chloride (salt)
about 0.2% Sodium Hydroxide (lye)
82% water

The amount of sodium polyacrylate in...

3 Replies

3647 Views

Last post by chem geek
Thu 25 Aug, 2011 12:54
Constantly Having to Add Chlorine Every 2-3 Days

by fiberzap » Wed 03 Aug, 2011 13:15

First post

Hi,

I bought a house with a beautiful swimming pool last fall and I wasn't expecting how much work it is to maintain it. I have no experience with...

Last post

Yes, it could be that your Cyanuric Acid (CYA) is too low. If your chlorine loss is during the day but not at night, then that indeed is the problem....

2 Replies

1461 Views

Last post by chem geek
Wed 03 Aug, 2011 15:24

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