Range from 5.5 to 8.0 color coded paper for saliva and urine pH analysis Complete With Color Chart and 15 Foot Roll of pHydrion Testing Paper. Hydrion Single Roll Dispensers are available in both Wide and Short Range Papers. The Hydrion wide range papers show a distinct change for each full pH unit. The Hydrion Short Range Papers show a distinct color change for each half pH unit. Best to test both saliva and urine several times per day to obtain best readings as pH's will change throughout the day and as a result of the foods and beverages taken by the body. Take saliva 45 minutes after any substances have cleared the oral cavity for best results. FREE SHIPPING IN THE CONTINENTAL UNITED STATES! |