Universal Indicator Paper pH 1 - 11, 3 reel refill pack

Universal Indicator Paper: Johnsons Test Papers are one of the most popular pH test papers on the market and suitable for use in laboratories, food service, water treatment and education. They provide a quick and easy method of indicating the pH of a solution by using a single colour change which can be matched to the colour chart at intervals of 1 pH.

Convenient Form Factor: Comes in packs of 3 x 5m reel refils. Larger packs are available with a 10 pack of 3 x 5m reel refils.

Wide pH Range: With a pH range of 1–11, Johnson's test papers provide a practical solution for measuring the acidity or alkalinity of various liquids, from strong acids to mild bases.

Shipped from our Manchester, UK Facility: Our test papers are sourced and packaged in non-toxic, chemical-resistant materials to guarantee consistent quality and reliability for our customers.

Frequent Uses

Biological Monitoring

Used for monitoring pH in cell culture media, enzyme reactions, and other biochemical processes.

pH Testing

Perfect for identifying whether a solution is acidic, neutral, or basic based on a colour indicator change.

Qualitative Analysis

Commonly used in situations where quick pH processes are appropriate and numerical precision isn't a dependency such as use in environmental water samples and soil pH.

Water Quality Testing

Used in field and laboratory settings to evaluate the pH of natural or treated water and is effective for assessing drinking water, wastewater, and for maintaining aquatic ecosytems.

Manufactured by Johnsons Test Papers in UK

Superb Quality, Accuracy and Reliability

• Universal Indicator Paper pH 1 -11
• pH Range: pH 1 - 2 - 3 - 4 - 5 - 6 -7 - 8 - 9 - 10 - 11