pH test strips for a wide pH range: 2.0 to 10.0.
- Convenient precut 2 inch x 7/32 inch paper strips
- Includes color chart with sharp color changes for each full pH unit
- Packaged in plastic vials with a polyethylene stopper
- Cost comparable to two vials of old style litmus paper
- Carton of 10 vials of 100 strips each