Customer Review

• 

  Serge

  4.0 out of 5 stars Good product ,but does not have graduation between 50-100 ppm.

  Reviewed in Canada on August 15, 2016

  Verified Purchase

  The only reason I gave 4stars,because strip does not have reading of Peroxide between 50-100ppm and only have reading limit to 100ppm.If yoU have very dark reading it can be 100 but it also can be 200 ppm.

  2 people found this helpful

  Helpful

  Report Permalink

  Showing 0 comments

  There was a problem loading comments right now. Please try again later.

  ---