pH Test Paper, 1-14 Range, 15 ft. roll For Sale
Colour chart and a single roll dispenser with a 15-foot roll. Simply dip a short piece of 7/32 inch wide test paper into your solution, wait five seconds for the colour to change, and then match the strip colour to the colour chart. Provides a precise colour match – one colour, one pH value.
For best shelf life, keep unused test paper in a dry place away from direct sunlight.