Adjusting Swimming Pool Chlorine
Adjust and correct your swimming pool chlorine like an expert by understanding these maintenance tips whether you have an inground, above ground, or salt water swimming pool.
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Swimming Pool Care & Chemistry
This page has the specific chart you need for a good pool shock or super-chlorination, the best way to test, and a detailed Cyanuric Acid chart.
Cyanuric Chart | Cyanuric Acid | Minimum Chlorine ppm | Goal Chlorine ppm | | 20 | 1.5 | 2.5-3.0 | | 30 | 1.5 | 3.5-4.0 | | 40 | 2.5-3.0 | 4.5-5.0 | | 50 | 3.5-4.0 | 5.5-6.0 | | 60 | 4.5-5.0 | 6.5-7.0 | | 70 | 4.5-5.0 | 7.5-8.0 | | 80 | 5.5-6.0 | 8.5-9.0 | | 90 | 6.5-7.0 | 9.5-10 |
By keeping an eye on your cyanuric acid level, your pool chlorine will do it's job properly and you may not need any extra swimming pool chemicals. Be sure to get a good
FAS-DPD Taylor Reagent K-2006 water testing kit.
This kind of pool water testing kit does take a little getting used to but the time spent learning how to use it is well worth the effort.

Taylor Reagent FAS-DPD K-2006 Pool Water Test Kit
You need to handle all swimming pool chemicals with care and respect Always take the proper precaution in dealing with swimming pool chemicals. Remember to read the manufacture’s labels. Use heavy duty rubber gloves and goggles and keep all pool chemicals out of reach of children and pets.Never store liquid chemicals over dry Calcium Hypochlorite is easier, a bit safer, lighter in weight, easier to store, and 1 pound of granular equals 1 gallon (8lbs.) of liquid.
Chart - Superchlorinate Your Pool (Amount Needed to Reach 10 ppm) Types Of Pool Chlorine | POOL GALLONS | | 1,000 | 5,000 | 10,000 | 12,000 | 15,000 | 20,000 | 25,000 | 50,000 | | Sodium Hypo | 10 oz. | 1 3/4 qts. | 3 1/4 qts. | 1 1/4 gal. | 1 2/3 gal. | 2 gal. | 4 gal. | 6 gal. | | Lithium Hypo | 4 oz. | 1 1/4 lbs. | 2 1/3 lbs. | 3 1/2 lbs. | 4 3/4 lbs. | 6 lbs. | 12 lbs | 18 lbs. | | Dichlor | 2 1/4 oz. | 11 oz. | 1 1/3 lbs. | 2 lbs. | 2 2/3 lbs. | 3 1/3 lbs. | 6 3/4 lbs. | 14 lbs. | | Calcium Hypo | 2 oz. | 10 oz. | 1 1/4 lbs. | 2 lbs. | 2 1/2 lbs. | 3 1/4 lbs. | 6 1/2 lbs. | 13 lbs. |
The Best Swimming Pool Water Chemistry - What is swimming pool chlorine?
Chlorine is nothing more than a sanitizer of your pool. It comes in either a granular or liquid form. If you choose, there are many non-chlorine and bromine sanitizers on the market. - When should I test my pool chlorine?
Swimming pool chlorine should be tested in either late afternoon or early evening.
- Where should I test my chlorine?
You should test your chlorine in the deep end of the pool or at the furthest place from the swimming pool filter.
- Why should I test my swimming pool chlorine?
Chlorine, as the sanitizer of your pool, needs to be checked on a regular basis (at least once per week). You need to have enough chlorine in the pool to clean the water and destroy any bather waster and/or organic matter. Keeping your pool chlorine level at 1.0ppm-3.0ppm should accomplish this.
- How do I test my swimming pool chlorine?
You need to follow the manufacturer’s instructions if you’re using a dropper system or Test Strips. If using the dropper, simply hold the vial upside down over the water and go straight down about 1 foot. Turn the vial over and come straight back up and follow the dropper directions. If using a Test Strip, get a clean cup and do the same procedure as using a vial.
Once you have your water sample, dip the Test Strip into the water for the reading and compare with the accompanying chart.
Go To:
Swimming Pool Chemistry From Swimming Pool Chlorine
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What Other Visitors Have Said
Click below to see contributions from other visitors to this page...
Constant Low Chlorine Levels
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We have been experiencing many issues with our pool levels.
First of all it does not hold the chlorine proper levels even though we keep putting in ...
How Do I Chlorinate Without Raising The Cyanuric Acid (CYA)
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I have a 18 X 36 28,000 inground pool with a sand filter.
The first test this season with the pool store gave us a reading of 90ppm in cyanuric acid....
Chlorine Is Still Too High
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Have lowered my chlorine tabs to one, closed the tab floater doors to almost completely closed and chlorine is still at a three!
What else should I ...
No Total Or Free Chlorine And Pool Can't Hold Cyanuric Acid (CYA)
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Question
I'm unable to keep any amount of chlorine in my pool, total or free.
Even after shocking in the evening to 20ppm after the sun was ...
How Much Cyanuric Acid Do I Need?
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How much cyanuric acid do I need to add to a 26,000 gallon gunite salt pool to raise the level from 45 to 70ppm?
Thanks for the question Sheri ...
What Do I Do About Low Stabilizer/CYA In My Pool?
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I opened my pool two days ago.
My pool size is 22,000 gallons.
I added two 1 lb. bags of shock and algaecide. Chlorine tablets were placed in ...
How Much Does Each Gallon Of Liquid Chlorine Raise The Chlorine Level?
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How much does each gallon of liquid chlorine raise the chlorine level?
If you need to know, our pool is about 26,500 gal., or you could round to 28000....
Do You Have To Use Chlorine Everyday?
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I have heard that you can just shock your pool once a week and not have to use chlorine, is this true?
What are the side affects of not using chlorine ...
Use Of Clorox In Rubber Above Ground Pools
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Is clorox an appropriate product to remove algae from a rubber pool?
Thanks for the question Diane
Clorox is nothing more than watered down ...
Pool Chlorine & Shock N Swim
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My landlord didn't maintance our pool as agreed for a couple of months in August (Las Vegas), so we bought chemicals and treated the pool with HTH 3 and ...
STABILIZER/POOL CHLORINE USE
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SHOULD CYANURIC ACID BE USED IN INDOOR SWIMMING POOLS?
WOULD PARTIAL SUNLIGHT CREATE THE NEED TO USE IT?
WHICH CHLORINE, CALCIUM HYPOCLORATE OR SODIUM ...
How Much Chlorine and Other Chemicals To Add..
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I have above ground pool holds 3800 gallons on water.
I got chemicals to add but they don't say how much to add in my pool. Can you help so I can get ...
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