Set includes one wide 0.0-13.0 pH range paper roll and six rolls having short pH ranges of 1.0-2.5, 3.0-5.5, 6.0-8.0, 8.0-9.5, 10.0-12.0 and 12.5-14.0 Paper rolls are packaged in protective plastic dispensers designed with a serrated edge for easy tear off of desired paper size Clear, distinct color...