Easy to read pH color scaleDistinct color difference for each 0.5 point of pHSturdy plastic case with tear stripSpecifications: Range pH 4.5 to 7.5
Ingredients:
pH Test Paper
Recommended Use:
Wait for two hours after having anything in your mouth (the purpose is to test the saliva produced by the Body about 7 quarts each day, and not just the saliva and food in your mouth.)<br>Swallow the saliva in your mouth, and then suck saliva from b
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