Litmus Red Indicator paper, 10 books x 20 strips

Basic indicator paper when a precise pH value is not needed. Blue litmus paper turns to red when a solution goes from basic to acidic while red litmus paper turns to blue when a solution goes from acidic to basic. Neutral litmus paper turns to blue when going to basic and red when going to acid. Each plastic box contains 10 booklets with 20 paper strips each

sales unit reference: LSPH-002-001, description: litmus red indicator paper in strips, pcs per sales unit: 1