Red Litmus Indicators, also known as Litmus Paper, are most commonly used in chemical laboratories in Bangladesh. Used in School, College, and University laboratories.Red 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. Sold in boxes of 100 strips of paper and made in India.
