🧪 ColorpHast 9590 pH Test Strips 0-14 Review

As an esthetics instructor I was looking for inexpensive pH 0-14 test strips to use in the classroom. At 12 cents a strip it was a great bargain. The value was even better once I started using them. The pH of the products we apply to our skin is very important. Sometimes we want to raise or lower the pH, but we also want to make sure we follow this rule with the right product to then neutralize the skin's pH. Using these strips is a great visual aid and makes learning (for me and understanding…

I personally contacted the company for advice on how to use these test strips properly as they come with no instructions and little written on the packaging was one Foreign language. That's what they said. General procedure for using colorpHast test strips: This procedure is also printed on the color chart label.1. Take the strip out of the box.2. Immerse the strip's reaction zone in the solution for approximately 3-5 seconds or until the color change stops.**3. Remove the strip from the…

I bought these strips to test drinking water from a residential well and when the pH of the water was around 7.5 to 9.5 these strips showed around 6.5 up to 7.5. They could show two points lower when the base was in those areas. Once the pH got past the 9 or 9.5 mark they seemed accurate again, but I haven't tested this with a known accurate strip or meter to know for sure. They also seemed accurate for acids. It took me about half a day to figure out what was going on as we tried to get the…