Product Information

The Endurable pH Pencil is a reusable tool to determine the pH of concrete prior to application of Endurable stains and coatings. It is important to test the pH of concrete before application of decorative concrete products to confirm the pH is in the suitable of range of 7-10. If the concrete falls outside of this range, it is necessary to mitigate the pH issue before proceeding with the use of decorative concrete products, such as sealers, coatings, dyes, etc.

  • Tests pH of concrete in seconds
  • Reusable for multiple tests
  • Cost-effective

Application Instructions

  • Moisten surface with distilled or ionized water
  • Mark concrete with Endurable pH Pencil
  • Wait 15 seconds
  • Compare with color chart

Pencil mark may be removed with Endurable Surface Cleaner.


Evaluate whether this product is suitable for the intended application. Conditions of product use are outside of HDIP’s control and vary widely, the following is made in lieu of all express or implied warranties of merchantability: HDIP’s only obligation and the customer’s only remedy are replacement of product, at the option of HDIP INC. In no case will HDIP INC be liable for any direct, indirect, special, incidental, or consequential damages including lost profits, goodwill, or business opportunity.


For technical questions or support, call 800-910-3120 ext. 1 between the hours of 8:30 am to 4:30 pm PST.


Product has a shelf life up to 3 years. Store product between 40 and 80 degrees Fahrenheit. Keep product free from excessive heat, moisture, and freezing.