This set includes one roll of pH testing paper for seven different ranges. The ranges included are one wide range: 0–13; and six narrow range: 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.
Shelf Life (months): 36 Storage:  Green
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