Testing Pool Water Free Chlorine

This will bring your pool water chlorine back up to a level where it s very effective at killing organisms and disinfecting the pool water.

Testing pool water free chlorine.

Typical water tests include measurements for free and total available chlorine ph total alkalinity calcium hardness and cyanuric acid. Chlorine test strips are. 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. Then multiply the chlorine estimations you get by 2.

If you test with a test kit and the color is clear then redo the test but use one half the amount of water. This is a normal reading. Dpd tests and oto phenol tests. Local pool service providers often will test your pool water for free.

Color wheel test kits use a powder or tablet chemical dpd n n diethyl p phenylene. Intheswimrecommends 2 0 to 3. Test strips are the easiest way to test free chlorine but test kits are more accurate. You shouldn t have a free chlorine reading of 3 and a total chlorine reading of 7.

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

However ideal free chlorine levels are dependent on cyanuric acid levels. Total chlorine is the amount of chlorine used or not in your water. However if your free chlorine reading is different than your total chlorine reading then there s a problem. Combined chlorine levels should not be above 0 5 parts per million and swimmers are likely to be more comfortable if the level is below 0 2 parts per million.

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. Elevated chlorine should drop quickly with use and sunlight. The pool and hot tub alliance recommends keeping free chlorine levels between 2 0 and 4 0 parts per million ppm. 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. Add sanitizer to raise chlorine. In general the free chlorine level should remain between 1 5 and 2 5 parts per million. If your pool has a salt system the salt level should also be checked.

Methods to test free chlorine in the field in developing countries pool test kits. This is very important to help keep swimmers safe and keep the water in the pool clear. 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. There are two popular types of test kits that can be used for your pool.

The easiest way to check your chlorine levels is with test strips. 0 ppm for a stabilized pool. Oto phenol kits test for chlorine and ph.