Remove one pH 10-13 test strip from the bag, holding one end of the strip between your index finger and thumb. Do not touch the test pad with your fingers. Do not allow the test strip to dry before reading against the color chart.
O Seu Sorriso Mais Bonito!
Remove one pH 10-13 test strip from the bag, holding one end of the strip between your index finger and thumb. Do not touch the test pad with your fingers. Do not allow the test strip to dry before reading against the color chart.