pH 9-13 Test Strip

Narrow-range pH test strip for alkaline solutions.

  • Resealable ziplock bag
  • Water-resistant color chart
  • 50 test strips
  • Bulk quantities available

Available in

PH9013-1B-50      1 Bag (3×4 CLR), 50 Strips / Bag

PH9013-12B-50   12 Bag (3×4 CLR), 50 Strips / Bag

Product Description

pH 9-13 Test Strip

The pH 9-13 test strip is used to test narrow-range alkaline solutions in increments of 9.0, 10.0, 11.0, 12.0, & 13.0.


  1. Remove one pH 9-13 test strip by holding one end of the test strip between your index finger and thumb. Do not touch the test pad with your fingers.
  2. Dip the test strip about 1/2″ into the solution to be tested for 1-2 seconds.
  3. Remove the test strip, and shake off any excess liquid.
  4. Compare the test pad to the color chart within 30 seconds. Do not allow the test strip to dry before reading against the color chart.

pH 9-13 test strip, pH 9-13, pH test strip

Disclaimer: Precision Laboratories products are not approved for use as medical devices. Products and product information is for informational purposes only and not intended for use to diagnose, treat, cure or prevent any medical condition. Consult a medical doctor when needed.

Additional Information

Bag Dimensions: 3″ (W) x 4″ (H) [76mm (W) x 102mm (H)] (Clear)
Strip Dimensions: 2.5″ (L) x .1875″ (W) [64mm (L) x 5mm (W)]
Shelf-Life: 3 Years Minimum
Item # (1): PH9013-1B-50 (1 bag, 50 strips/bag)
Item # (2): PH9013-12-50 (12 bags, 50 strips/bag)

Product Documentation