Email this pagePrint this page pH 3-6 x .5 Go back to: Test Paper Quantity in Basket: none Product Code: P1018 Price: $4.50 Shipping Weight: 0.01 pounds Quantity: Narrow range pH Test strips. Capable of measuring low ionic solutions, as well as those that are buffered. Intervals of 3.0-3.5, 4.0, 4.5, 5.0, 5.5 & 6.0. 50 strips/pk. Learn about pH