Red Litmus Test Strips, pH 6.8 – 8.1
Red Litmus Test Strips, pH 6.8 – 8.1 comes in a vial of 100 strips. It is used to determine the present of a basic or alkaline condition of a solution. The strips come in a clear plastic container. Red Litmus turns blue under basic or alkaline conditions. A great tool for classroom projects or field trips.