Take accurate alkaline/acid tests with this pack of 400 Litmus paper strips which come in 5 individually sealed books. Each book also includes a colour chart.

The scale reads from 1 to 14:

• 1 - 3 indicates a very acidic substance
• 4 - 6 indicates an acidic substance
• 7 indicates neutral
• 8 - 11 indicates alkalinity
• 12 - 14 indicates a very high level of alkalinity

Make sure your water is safe before using: Litmus paper is invaluable for testing the acid and alkaline levels in all kinds of applications from spas, ponds and aquariums to conducting scientific experiments. Specifications:

• Scale: 1 - 14
• Pack size: 5 books each containing 80 strips [400 strips in total]
• Colour charts included

Each book is brand new and individually sealed in plastic for a longer life span and will arrive fresh and ready to use

V1.0 PWH