Always fresh Does not expireApproximately 1200 vertical drops per 2 oz containerTo use as a water purifier add 3-6 drops per liter of waterKeep out of direct sunlight. No need to refrigerateThe iodine used in JCROW'S Lugol's Solution is derived from mined crystals, not from shellfish or kelpJ.Crow's(R) Lugol's Solution 2% is equivalent to USP standards or higher. Thissolution delivers 94% distilled water, 4% potassium iodide and 2% iodine.Drops dispense vertically or horizontally. Each VERTICAL drop is approximately3.00- 3.125 mg's of iodine/potassium iodide (approximately 1.250 mg iodine,1.875 mg potassium iodide) and 2 drops is about 6.00-6.25 mg's ofiodine/potassium iodide (approximately 2.5 mg iodine, 3.75 mg potassiumiodide). For use as a talisman only. Keep away from children.