Remove one pH 7-10 test strip from the vial, 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 7-10 test strip from the vial, 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.