We do not offer international shipping to countries within the European Union
We can only ship non-hazardous products to Rest of World

Compare all Pack Sizes
Unfortunately, we are not currently accepting orders for Northern Ireland, Jersey and Guernsey.
We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.
AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE
Humidity Indicator Paper (Cobalt Chloride Free): Designed for quick and reliable measurement of relative humidity in the atmosphere, these indicator papers are ideal for applications requiring environmentally safe and precise humidity monitoring.
Convenient Form Factor: Supplied in books of 20 strips, with 10 books per pack (200 strips). Larger 10-pack options are also available, containing 10 packs of 10 books per box (2000 strips).
Measurement Parameters and Accuracy: The paper changes colour from blue to pink, indicating relative humidity levels greater than 2%, ensuring a clear and immediate visual assessment.
Shipped from our UK Facility: Manufactured with cobalt chloride-free, non-toxic materials to provide a safer alternative for environmental and personal applications.
Environmental Monitoring
Ideal for assessing low-humidity environments or detecting excess humidity in homes, offices, and storage areas.
Industrial Applications
Commonly used for monitoring relative humidity in processes where low moisture levels are critical.
Educational Experiments
Frequently utilised in school or laboratory settings to demonstrate the effects of atmospheric humidity changes.


We can also accept a bank transfer (UK Only)