Sodium Sulfite Test Kits

1. Fill the mixing bottle to 25 mL with the sample to be tested.
2. Add 6 drops of Indicator.
3. If the water does not change to red or pink, add one scoop of Starch Acid / Sulfite Indicator.
4. If the water turns pink or red, add one or to or more scoops until the pink or red disappears.
5. Add the potassium iodide-iodate titrating solution drop by drop, swirling the test bottle counting each drop until a permanent Blue/Black color appears.
6. Multiple the number of drops by the factor of the test for your results.