Quality iodine: iodine from mined crystals - no shellfish or kelp
Lugols solution: contains iodine, potassium iodide, purified water
Water purification: 3-6 vertical drops per liter of water
Y fresh: does not expire. Store at room temperature away from direct sunlight
Measure it right: each vertical drop (1/20 ml) contains about 2. 5 mg of iodine and potassium iodide. There are about 1200 vertical drops in each bottle
