Free Chlorine Vs Total Chlorine Pool. Combined chlorine and total chlorine. It’s merely the sum — the total of combined and free chlorine levels in the pool water.
To understand the differences between free, combined and total chlorine, first take a look at this simple formula: Runbo 7 in 1 pool & spa quality testing strips; If your total chlorine level is higher than the free chlorine level, the difference of the two are the combined chlorine levels.
In typical operation total chlorine can be used as if it were free chlorine because combined chlorine is usually zero.
Well, there’s more than one type of pool chlorine and the key to pool cleaning is understanding the difference between free chlo. The total amount of chlorine in your pool. Total chlorine is the combination of free and combined chlorine that is in your pool. Free chlorine + combined chlorine = total chlorine