Swimming Pool Chemistry


Proper swimming pool chemistry is the most important part of your pool care.


The water quality and swimming safety depends on having your pool balanced correctly.

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Swimming Pool Care


The Elements Of A Swimming Pool

Have a great swimming pool should be fun and cleaning your pool along with pool maintenance is part of that fun, at least it should be.

Because most indoor and outdoor swimming pools are chlorine pools, there are only six basic areas you need to know:

  1. You need to understand the functions of

    pool chlorine and cyanuric acid levels (CYA) The CYA is mainly for outdoor pools.

  2. You need to know how to raise and lower your pH level
  3. How to properly adjust your swimming pool's total alkalinity (TA)
  4. Your calcium hardness
  5. And last, you must have a good water testing kit

    Taylor Reagent FAS-DPD K-2006 Pool Water Testing Kit



This is the place to be for all of your swimming pool related issues and questions.

You can have the swimming pool you deserve and get the same results as your neighbor down the street who uses a professional pool service.


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What Other Visitors Have Said

Click below to see contributions from other visitors to this page...

Chlorine or Free Chlorine Green Pools 
I have a green pool at start up of the season. I shocked, then put in algaecide, and vaced a few times it is not the dark green/black any more but a light-green …

Sitting Pool Water 
Above-ground pool installed and electrical contractor bailed before the work was finished. Water is to full level. We're scrambling to get another …

Pool Filter On Or Not? Not rated yet
I used a floc to make the dirt(mud) settle to the bottom. It did. But when I used the vac.the water got cloudy again. Do I run my filter or leave it …

Trouble Leveling Off Chemicals In Pool Not rated yet
This is a new pool. Easy set..18 x 48. 4950 gallons water. using the cartidge filter washing them out 2 times daily to remove rust and deposits building …

Putting Chemicals In When Filter Is Down Not rated yet
My filter is down until I can get a new lateral--maybe a day or so. I need to put in @ 12 pounds of shock to get my total chlorine down. Can I sprinkle …

Troclosene Not rated yet
Thanks for a great site. We have an Intex 8 ft round pool, which holds about 640 gallons. My question is whether it is safe to treat the water solely with …

How To Address Pool Water Imbalance Not rated yet
We have a new salt pool. I took a water sample in to local store this AM with the follow in results. Salt 6.4 Total Chlor 2.04 pH 8.07 Ca 140 TA 60 …

Iron in Swimming Pool Water Not rated yet
I have a Hydro Force above ground swimming pool and use the Krystal Clear salt water system. I filled my pool from my tap water which is run through …

How Can I Clear Up My Water Not rated yet
I have a 13000 Gal above the ground pool. It was neglected for most of the summer last year due to financial problems, but now this spring, we are opening …

Hot Tub Maintenance Tips Not rated yet
Hot tubs and spas need to be maintained just like your swimming pool does and in fact many of the methods of maintaining and winterizing your swimming …

FIRST TIME ABOVE GROUND POOL OWNER NEED STEPS ON HOW TO CHECK THE WATER Not rated yet
I HAVE READ ALL OVER THE INTERNET AND A LOT OF GOOD INFO, BUT IF YOU ARE NEW TO IT WHERE DO I START AFTER I FILLED UP THE POOL WITH TAP WATER? I'M …

Pool Clarity Not rated yet
I own a chlorine inground pool. I tried using a product called Blue Bayou to give my pool a bluer tint. After 1 1/2 days I now have an orange tint. …

High Phosphate Levels Not rated yet
My pool guy is treating my pool for high levels of phosphate and beginning black algae (YUCK). My pool guy has treated the pool for the phosphates …

I Am The New Pool Guy Not rated yet
We have a pool but cannot afford to have someone come and service it. My husband has thrown up his hands and just wants to get rid of the pool. I …

Out Of Balance Water Issues Not rated yet
I lack patience so before you got back to me I was on internet and chlorine, chlorine it said. So I put 5 gallons in. Yes, I did this, now my reading …

Put the Wrong Chemical In The Pool By Mistake Not rated yet
We were opening our above the 18 ft. round ground pool & it was ready for us to put in the chlorine extender. By mistake (the containers were similar …

Total Chlorine & Phosphate Problems...What Should I Do? Not rated yet
I live on a heavily wooded lot just north pf Pittsburgh Pa. I have a 20x43 Lazy L in-ground vinyl lined pool (still orig liner). Pool was put in …

Is Sand Filter Working With 50 Gallons Of Bleach Not rated yet
New Question We have put 50 gallons of bleach in the pool and all of the readings are low or don't even register on the strip. The pool was …

1rst Pool Help..Pump Won't Circulate, So Can I Swim? Not rated yet
I just recently put up our backyard pool, my first-ever pool. It measures 15' X 48" (457cm X 122cm). I've got everything hooked up to its pump, but …


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Related Articles & Links

Pool Chlorine

Chlorine Demand

Chlorine Tablets

Chlorine Tablets Pt. 2

Pool Shock

Muriatic Acid

Pool Testing Kit

Pool Water Testing

Maintenance Cost

Maintenance Tips

Pool pH

Pool Alkalinity

Total Alkalinity

Calcium Hardness

Solar Pool Covers

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