GSC International PHTP-01-12
Litmus is a water-soluble mixture of different dyes extracted from lichen. Dyeing filter paper either red or blue with this ink creates one of the oldest forms of testing alkalinity and acidity. Red litmus paper turns blue under alkaline conditions. Packaged in boxes of 100 strips of paper.
Sold in a pack of 12 boxes of litmus paper.
PRODUCT WARNINGS
This product is NOT A TOY . It is designed for educational, scientific, or professional use only. Adult supervision is required at all times. Improper use may cause injury or damage. Always follow safety guidelines and wear appropriate protective equipment. Not suitable for children 15 and under.