Testing Pool Water Free Chlorine

Add sanitizer to raise chlorine.

Testing pool water free chlorine.

Methods to test free chlorine in the field in developing countries pool test kits. In the test if your free chlorine reading matches your total chlorine reading your pool is not experiencing a high demand for chlorine. Occasionally seek a second opinion to make sure your testing is accurate. Elevated chlorine should drop quickly with use and sunlight.

0 ppm for a stabilized pool. For test kits take your water sample from 12 to 18 inches below the surface after the circulation system has been on for an hour. Dpd tests and oto phenol tests. This is very important to help keep swimmers safe and keep the water in the pool clear.

The easiest way to check your chlorine levels is with test strips. However if your free chlorine reading is different than your total chlorine reading then there s a problem. Intheswimrecommends 2 0 to 3. In general the free chlorine level should remain between 1 5 and 2 5 parts per million.

Color wheel test kits use a powder or tablet chemical dpd n n diethyl p phenylene. You shouldn t have a free chlorine reading of 3 and a total chlorine reading of 7. There are two popular types of test kits that can be used for your pool. There are three methods that you can use to test for free combined and total chlorine in your pool which include chlorine test strips chlorine test kits and an electronic digital chlorine tester.

Total chlorine is the amount of chlorine used or not in your water. While it s recommended that you test your pool water every day your pool should be fine if you only test the water every other day. Typical water tests include measurements for free and total available chlorine ph total alkalinity calcium hardness and cyanuric acid. If you test with a test kit and the color is clear then redo the test but use one half the amount of water.

You know that free chlorine combined chlorine total chlorine. Pool test kits can be more time consuming to use but they are typically more accurate than test strips. You subtract the amount of free chlorine from the total chlorine to get your combined chlorine level. Then multiply the chlorine estimations you get by 2.

Testing the pool water is particularly important if your pool is left uncovered which exposes it to sunlight rain leaves and wind. Dpd tests usually measure chlorine ph alkalinity stabilizer and hardness. Oto phenol kits test for chlorine and ph. Test strips are the easiest way to test free chlorine but test kits are more accurate.

If your pool has a salt system the salt level should also be checked. This is a normal reading. Local pool service providers often will test your pool water for free. However ideal free chlorine levels are dependent on cyanuric acid levels.

Chlorine test strips are. The first option for testing uses a liquid chemical oto orthotolidine that causes a color change to. Here is the part where total chlorine comes into play.