pHizatest Nitrazine Indicator, Short Roll Dispenser, 4.5 - 7.5 pH

pHIZATEST brand Nitrazine indicator paper Micro Essential Laboratory’s Phenaphthazine 4.5–7.5 nitrazine indicator paper has been trusted by hospitals and physicians worldwide for more than 50 years.

• The economical alternative to higher priced nitrazine papers
• Test papers give instant, easy-to-read results, with clear, bright matches at 0.5 intervals from pH 4.5 to 7.5
• Color charts are lab-tested for precision accuracy
• An FDA-listed medical test product, used in hospitals and doctor’s offices around the world
• Made in the U.S.A.