Krowne Chlorine Test Strips, 100 Piece Go to amazon.com Related posts Top 9 best chloride test strips FeatureKrowne 25-123 - chlorine test strips100 strips per bottleMade in USA DescriptionKrowne metal (model 25-123) chlorine test strips- 100 strips sanitizer test strips. 100 strips per bottle. Color-coded chart. Additional search keywords: 25123.