Hydrion pH Test Paper

This Hydrion pH paper dispenser provides accurate results within 1.0 pH unit across the pH 1 to pH 11 range. It contains two 15-foot rolls — one each of Type A and Type B paper — each showing a clear colour change at every pH unit, matched against the colour charts printed on the dispenser.

• Accurate to within 1.0 pH unit
• Covers pH 1 to pH 11 combined across Type A and Type B rolls
• Two 15-foot rolls per dispenser, with built-in colour charts
• Refill rolls available separately for each type