pH and Chlorine values for good water quality. pH. The pH is a measure of the acidity of the water. The pH scale goes from 0 to 14, where pH 7 is neutral. If the pH is above 7, the water is basic; if it is below 7 the water is acid. The optimum pH for pool water is 7.4, since this is the same as the pH in human eyes and mucous membranes. A pH of 7.4 also gives good chlorine disinfection.
Q: apple id format for using find my iphone. How do i use my existing apple id for setting up the Find My Iphone? the set up screen says to input the apple id as xxx@example.com, ie in an email address format, whereas my apple id is not in the xxx@yyy.zzz format. it is only xxx.
1 If an Apple ID is already signed in, tap the Apple ID name, and then tap Sign Out. 2  Tap Create New Apple ID. 3  Choose the appropriate store by tapping Store, and select the country in which you are located.4  Tap Done to confirm your selection, and then tap Next. If an Apple ID is already signed in, tap the Apple ID name, and then tap Sign Out. 2  Tap Create New Apple ID. 3  Choose the appropriate store by tapping Store, and select the country in which you are located.