free chlorine lower than total chlorine

Calcium hardness if you have a concrete pool should be between 200ppm and 250ppm and for a vinyl pool should be between 175ppm and 225ppm. As long as the chlorine is effectively attacking pollutants the value of the free chlorine will decrease making the total chlorine slightly higher.

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These chloramines create the odor most of us associate with chlorine.

. Total Chlorine TC is the sum of Free Chlorine FC and Combined Chlorine CC. Ideally you want free chlorine to be equal to total. When chlorine binds up with contaminants it forms a compound called chloramines that are still part of the total but no longer effective.

How can total chlorine be less than free chlorine. Free Chlorine FC Combined Chlorine CC Total Chlorine TC If the free and total chlorine levels are identical that means there isnt. If free begins to test lower than total it is a sign that some of the chlorine is bound up and combined Is your combined.

Combined Chlorine can be no. The chlorine that is still. Ideally combine chlorine must be less than 02 parts per million ppm while the free one is between.

Generally the ideal range for free chlorine in pool water is 1-3ppm although it depends on your cyanuric acid level and how much you swim. If total and free chlorine levels are the same theres no combined chlorine in your water meaning none of it has been. Like chlorine chloramine will disinfect pool water.

It no longer has the ability to sanitize or disinfect. Ideal range 20 to 40 ppm safe range 10 to 60 ppm Combined chlorine. Three main types of chlorine.

The level of combined chlorine must always be lower than the free one. This is Combined Chlorine CC. Why is my total chlorine high but free chlorine low.

It is however 40 to 60 times less effective than free chlorine. Summary Free chlorine measurements are higher than total chlorine Answer If free chlorine measurements are higher than total chlorine using a DPD method check the. The Total Chlorine level cannot be less than the Free Chlorine level.

The only way that test result is valid is if your Combined Chlorine is - 81. Free Chlorine Combined Chlorine Total Chlorine. Free chlorine involves the amount of chlorine thats able to sanitize contaminants while combined chlorine refers to chlorine that has combined directly with the.

The only problems with using chlorine for disinfection purposes include low effectiveness in cloudy water and a strong odor. When the cyanuric level CYA is 30 the. Should be equal to.

Im not understanding how the free chlorine is higher than my total chlorine and how to. Nevertheless total chlorine shouldnt be. Ideally less than 02 ppm safe below 05 ppm Total chlorine.

Once you know how much Combined Chlorine is. The equation for calculating the total chlorine is.

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