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.
The reason is that credit card, apart from being a source of payment, is also a way to identify your country or region. For instance, with a U.S. credit card you can make purchases in the U.S. App Store, but with a Chinese credit card you can'tâyou need to go to the Chinese App Store.dd a credit card to your current Apple ID, buy a free app, then change the account's payment type to none (see Apple Support article HT1918).