Universal Indicator Paper is one of the most popular pH test papers on the market and is suitable for many applications. 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. Universal Indicator 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. Universal Indicator Paper is manufactured using high-quality paper while adhering to our ISO 9001 accredited quality system ensuring that quality is always consistent and high. Additional colour charts in various sizes are also available.