01 Calibration Buffer Solution (230mL) | Acidic calibration point critical for wine pH range (3

choose the Fluoride Filter

single-use buffer sachets ensures your meter is always zeroed correctly

"Amazingly accurate

Hanna™s double junction system

Hanna Instruments HI981033 Wine pH Tester - Professional Portable pH Meter for Winemaking hot tub pre-filter 01 Calibration Buffer Solution (230mL)Professional Wine pH Testing for Vineyards & Cellars The Hanna Instruments HI981033 Wine pH Tester delivers laboratory grade accuracy in a portable, waterproof design built for winemaking professionals. Measure pH levels precisely throughout fermentation and aging to ensure optimal wine quality and stability. Key Features Automatic Temperature Compensation (ATC) Ensures accurate readings across varying cellar temperatures Waterproof & Portable IP67