Indigo® test strips measure acids between pH 0 to 7 for only $17.50/100 strips. They are ideal for strong acids with high pKa such as battery acid, HCl, sulfuric acid or even lemon juice & vinegar. They will also test for for very weak acids near neutral ph7.
Typical shelf life of 3 years or more if kept sealed even after opening. The 1 strip for all your acid measuring & testing needs.
Buy Indigo® pH test strips for reliable acid-base measurements. All come with a Certificate of Analysis, Stability & SDS documents listed below; Certificate of Conformance on request & a 3 year minimum guaranteed shelf life. See: Test Strip Expiration Dates: Good Today, Dead Tomorrow?.
These strips are triple pad for enhanced reading accuracy. Compare all 3 pads to the color chart. The closest match of all three is the correct value. Only one or two of the 3 pads will change for any given acid level.
Makes life so much simpler. Thank you.
I'm very pleased with products I ordered. Delivery was surprisingly fast. Customer service was great and my questions were answered quickly and thoroughly.
Glad we could help. For anyone curious about using triple pad pH strips, this explains further: How Do You Use a pH Test Strip?Â