QUANTOFIX® Sulphite Test Strips 0,10,25,50,100,250,500 provide a fast and reliable way to measure sulphite levels in solutions. With a simple dip & read procedure, results are ready in just 20 seconds, making them ideal for both laboratory and industrial use. In process and boiler water, sulphite acts as an oxygen scavenger—regular monitoring helps avoid overdosage and ensures safe operation. These strips are also commonly used in the food industry to monitor sulphite concentration in products treated with sulphur compounds (SO₂, HSO₃⁻, SO₃²⁻) for extended shelf life. In winemaking, accurate sulphite control is essential to maintain quality and support consistent production. Key Features: Fast: Results in just 20 seconds Easy: Dip & read method – no additional equipment required Accurate: Reliable sulphite measurement in solutions Versatile: Suitable for water treatment, food safety, and winemaking Practical: Compact packaging for routine use Directions for use: Dip the QUANTOFIX® Sulphite strip into the sample (pH 6–9) for 1 second Shake off excess liquid Wait 20 seconds Compare the test field with the colour scale provided Storage: Store in a cool, dry place. Avoid direct sunlight and moisture.