Lugol’s Solution is 10% Potassium Iodide and 5% and it contains approximately 6 mg of Iodine per drop and it is a crystal and not a seaweed product.
What is Lugol's solution?
This is the correct combination of Iodine and Potassium Iodide to be called Lugol's Solution. It was first developed by French physician Dr. Jean Lugol in the 1820s, hence the name
Ingredients:
10% Potassium Iodide and 5% Iodine in an aqueous solution (distilled water)
Use:
A variety of gardening applications, including improving soil condition for the growing of tomatoes and other such plants.
Summary Table for Recipe (≈50 mL total volume)
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What we're measuring
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Amount per mL
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Percentage (w/v)
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mg per typical drop (≈0.05 mL)
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Elemental iodine (free I₂)
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50 mg
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5%
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2.5 mg
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Iodide from KI (as iodine atoms)
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≈76.5 mg
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≈7.65%
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≈3.83 mg
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Total iodine (I₂ + I from KI)
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126.5 mg
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≈12.65%
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≈6.33 mg
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Information from Label:
POISON
KEEP OUT OF REACH OF CHILDREN
READ SAFETY DIRECTIONS
LUGOL'S SOLUTION
Potassium Iodide 5ml/50ml
Iodine 2.5ml/50ml
50ml
** Product information, including (but not limited to) product ingredients, is provided for your convenience. It is based on the information provided to Misty Mountain by each product's manufacturer or supplier. This information, along with any product imagery, are subject to change at any time. Please always refer to the label or health professional.