Free Chlorine Vs Total Chlorine Hot Tub. Free chlorine is the most common way to test your proper chlorine levels in your pool water. Videos you watch may be added to the tv's watch history and influence tv recommendations.
The pool and hot tub alliance recommends keeping free chlorine levels between 2.0 and 4.0 parts per million (ppm). Another way to figure the combined chlorine level is to subtract the total chlorine level from free chlorine level, provided the total chlorine is higher than the free chlorine. The bottom line is that if you are looking for a properly sanitized hot tub, there should be more free chlorine in your hot tub than combined chlorine.
Free chlorine is added in order to clean and sanitize your water.
Free chlorine is added in order to clean and sanitize your water. But for other sizes, add about 1.25 oz (35g) of chlorine shock per 400 gallons (1500 liters). Free available chlorine (which we will just refer to as free chlorine) is the type of chlorine that kills bacteria in your water. The pool and hot tub alliance recommends keeping free chlorine levels between 2.0 and 4.0 parts per million (ppm).