The color does NOT match the label. Tap water is testing green blue and filter water is blue. Doesn't match label???

Hi, Elsie. The color results that you are getting are an approximation of what your water sample's pH is. For instance, if your tap tested greenish-bluish it could be that your tap water is in the 7+ pH range. If your filter water tested blue, it could have a pH of 8 and above. The results that you are getting may also be influenced by other factors such as the source water of your area, condition of your machine, and the pH setting that your machine was at when you took the water sample.

Is this good for testing the pH of shampoos and conditioners

No..reccomend for clear liquid..u can try and see

can this be used to test if paper is acid free?

There is a pen you can purchase at a stationary shop. It will let you test for acidity or alkalinity.

is there an expiration date on this product where it will not give accurate results? I've tried both liquid & strips & got different results.

Not sure. But there are tiny print numbers at the bottom of the bottle .It may quite be the expiration date. But one definitely need a magnifying lens to visualize it. Hope that help!

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🌈 Test smarter, not harder—pH clarity in a squeeze!

RAPID READINGS - Get instant pH results—no waiting, no guesswork
BROAD P H SPECTRUM - Covers pH 4.0 to 10.0 for versatile liquid testing
PORTABLE COMPACT - Lightweight 27g bottle fits perfectly in your toolkit or lab bag
USER FRIENDLY DESIGN - Squeeze bottle ensures mess-free, precise drops every time
CLEAR INSTRUCTIONS INCLUDED - Step-by-step guide makes testing foolproof and professional

Sanastec pH Test Liquid offers a reliable and easy-to-use solution for measuring the pH of clear liquids across a broad range (4.0 to 10.0). Packaged in a lightweight, portable squeeze bottle, it delivers instant, accurate results with minimal effort, making it ideal for professionals who demand precision and convenience on the go.

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