150 Strips Bottled PH Test Paper Range PH 4.5-9.0 for Urine Saliva Indicator_TM
8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. To test Sallva: Wait two hours after eating. Spit saliva into a spoon, dip the pH strip into the fluid and wait 15 seconds to read your pH.