pH Paper DispenserTest Your pH
(1)
For use in testing the pH of your saliva or urine. Dispenser roll is 15 yards and is calibrated for human testing, with range of 5.5 to 8.0 pH in high-accuracy 0.5 increments. ...
Part No: MELPHD
pH Paper Refill - 5 RollsFor Your Hydrion pH Paper Dispenser
Great savings for high volume users. For use in testing the pH of your saliva or urine, to determine your acidity and your state of health. Dispenser roll is 15 yards and is calibrated for human testing, with range of 5.5 to 8.0 pH. ...
Part No: MLPHR