Direct reading pH paper with 14 colors for 14 pH values—the widest range available on a single paper Immediate response—colors are distinct and easily read for accurate, reproducible readings Single roll dispenser with one 50 ft
× 0.5 in
roll Order Info Single-roll dispenser with one 50 ft
long (15.2m) roll of 0 to 13pH paper and color chart; refills sold separately.