Chlorine

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False low reading on the chlorine

by alekseykua » Thu 08 Aug, 2013 01:08

First post

Hey guys!

I have a Aquarite Pro with a Sense-and-Dispense system that consists of two probes (pH and ORP) and a CO2 tank.

Im getting a false...

Last post

Call the manufacturer, Hayward .

3 Replies

1521 Views

Last post by chem geek
Sun 11 Aug, 2013 00:10
Trouble with Chlorine Levels in Salt Water Pool

by Alicia Acconcio » Sun 07 Jul, 2013 16:48

For the past month, I’ve been having trouble keeping the Total Chlorine and Free Chlorine up to the correct levels in a salt water pool. The 24-hour...

0 Replies

838 Views

Last post by Alicia Acconcio
Sun 07 Jul, 2013 16:48
Shock pool without clouding it up

by keysrawk » Wed 03 Jul, 2013 09:42

First post

I just increased total alkilinity and added some calcium after heavy rains here in Wisconsin. 20'x40' 30,000 gallon in ground pool with vinyl liner,...

Last post

Cal-Hypo granules increase Calcium Hardness (CH) so can cloud a pool that is already saturated with calcium carbonate. I'd just add chlorinating...

1 Replies

1257 Views

Last post by chem geek
Wed 03 Jul, 2013 23:17
Test ch

by poolboy3 » Sat 29 Sep, 2012 12:26

First post

Good afternoon.
I'm new member in the forum.
working in Cyprus hotel, the pool.
would like to know, what is the correct way to control run of pool...

Last post

Hi, according to me you should not pour chlorine whenever winters are near. Usually chlorine kills all the bacterias and germs which are growing...

1 Replies

1376 Views

Last post by nikkigomes12
Thu 13 Jun, 2013 01:06
ZERO Chlorine

by WDWgoofy » Sat 08 Jun, 2013 13:12

First post

I have reviewed older posts but still do not know what to do to get my pool to register any chlorine.

The pool is 15 years old with original...

Last post

Hi, but I don't have proper knowledge for this.

1 Replies

1689 Views

Last post by nikkigomes12
Thu 13 Jun, 2013 00:57
High Chlorine, Low ORP

by gellisdds » Tue 21 May, 2013 10:54

First post

I have read other posts on high chlorine but they do not address my particular problem. I have a 29,000 gallon in ground salt pool with Jandy...

Last post

Either bad or it needs to be cleaned. But also check with the manufacturer for what they expect if you have an active chlorine level equivalent to...

4 Replies

4372 Views

Last post by chem geek
Wed 22 May, 2013 21:00
Minimum Pool Maintenance This Year! Why?
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by organicdog » Fri 17 Sep, 2010 05:40

First post

For the first time in 24 years I emptied my pool and power washed the entire concrete surface of the pool. For the rest of the season, after...

Last post

I have used a product called Pool Line-Away and it quickly removes the calcium line from the tiles. Just put the wheel in a portable drill and off...
23 Replies

7575 Views

Last post by joansy1
Fri 03 May, 2013 14:07
Chlorine

by slick1 » Thu 11 Apr, 2013 14:19

First post

I see that a lot of on line pool sites offer a lot of different prices for chlorine. One company offers a 3'' tablet for almost double there normal...

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If you maintain a Free Chlorine (FC) level that is at least 7.5% of the Cyanuric Acid (CYA) level, then chlorine alone will prevent algae growth and...

1 Replies

668 Views

Last post by chem geek
Fri 12 Apr, 2013 00:03
How to use household bleach in pool?

by poolfilters » Fri 18 Jan, 2013 06:26

First post

I have a 18 by 4 foot intex pool and need to know how much reg bleach and anything else to use that's cheaper my husbands out of work need to save...

Last post

See the Pool School , especially the Beginners Guide for Seasonal/Temporary Pools . You can use The Pool Calculator to calculate dosing. You'll need...

1 Replies

3375 Views

Last post by chem geek
Fri 18 Jan, 2013 12:06
What is the right way

by test ch » Sat 29 Sep, 2012 11:46

Good afternoon.
I'm new member in the forum.
working in Cyprus hotel, the pool.
would like to know, what is the correct way to control run of pool...

0 Replies

461 Views

Last post by test ch
Sat 29 Sep, 2012 11:46
Choosing Among Leslie's Products

by TX_Pool_ » Sun 09 Sep, 2012 20:16

First post

Okay. I live in South Texas. I use Leslie's products in my in-ground vinyl pool. i have always used Chlorbrite, Chlorine tabs and Fresh n Clear.

I...

Last post

Chlorbrite is Dichlor.
Chlorine tabs are Trichlor.
Fresh 'n Clear is non-chlorine shock (potassium monopersulfate aka MPS)
Power Powder is Cal-Hypo....

1 Replies

2146 Views

Last post by chem geek
Mon 10 Sep, 2012 12:22
Stabillized Chlorine

by techguyxd » Thu 26 Jul, 2012 20:00

First post

Hi,

I was thinking that if i use stabillized chlorine in my pool, the CYA wil go too high before the end of summer, where i will have to drain the...

Last post

Poolfilters.biz offers a large group of stabilized products.

2 Replies

1436 Views

Last post by poolfilters
Tue 04 Sep, 2012 04:50
Chlorine too low.

by Malabus » Thu 30 Aug, 2012 12:38

My indoor pool: 6m x 4m.

Latest reading:

Free : 0.22
Total : 0.60
Combined : 0.38

Should be a combined reading of 1.00/1.50

Cleaned the dosing...

0 Replies

685 Views

Last post by Malabus
Thu 30 Aug, 2012 12:38
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...

Last post

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

3 Replies

3105 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...

Last post

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

1767 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

507 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

1201 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...

Last 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...

3 Replies

2295 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...

Last post

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

4731 Views

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

by dodgegirl48 » Thu 24 May, 2012 19:31

First post

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...

Last post

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

2242 Views

Last post by chem geek
Sat 26 May, 2012 03:00

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