Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon pH 4-9 Roll by baggins brew Save Liquid error (product-badge line 32): -Infinity% $26.00 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Description Description Covers the pH range of 4 to 9 in one degree increments. Great for checking water and pretty good for mashing. 15' of paper.