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
We can only ship to Northern Ireland where a Royal Mail postal option has been chosen at checkout.
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
The blue litmus will turn red or pink when it comes into contact with an acidic solution below pH 4.5. Below 4.5, it will stay blue.
Litmus Blue Paper is supplied as either books or a 5 metre reel both packed in plastic packs and dispensers which ensure they remain stable and protected.
Litmus Blue Paper is manufactured using high quality paper while adhering to our ISO 9001 accredited quality system ensures that quality is always consistent and high.
Manufactured by Johnsons Test Papers in UK
Superb Quality, Accuracy and Reliability
Litmus Blue Paper
Pack: 10 books per pack, 20 strips per book
pH Range: 7
Colour Change: Blue-Red
We can also accept a bank transfer (UK Only)