How to Purify Non Potable Water
Instructions
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Bleach
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1
Measure the amount of chlorine needed to purify the water. The recommended amounts are as follows: For a one-percent chlorine bleach, mix in 40 drops of bleach for every gallon of water. For a four-to-six percent chlorine bleach, mix in 8 drops of bleach per every gallon. Finally, for seven-to-10 percent chlorine bleach, mix in 4 drops of bleach for every gallon of water.
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2
Mix bleach into the water and let it stand for 30 minutes.
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3
Smell the water. It should have a slight chlorine smell. If it does not, then repeat the process and let it stand for another 15 minutes.
Iodine
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4
Check the label of the iodine bottle. It is recommended that the iodine be 2/United States Pharmocopeia Strength.
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5
Add 20 drops of iodine per gallon of clear water. If the water is cloudy then add 40 drops per gallon
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6
Let the water stand for 15 minutes. If the water was cloudy then let is stand for 30 minutes.
Boiling
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7
Bring water to a rolling boil and let it boil for 10 minutes.
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8
Add a pinch of salt for taste.
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9
Remove the water from the stove and let it cool.
Water Purification Tablets
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10
Purchase water purification tablets from your local drugstore.
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11
Read the label and follow the directions.
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12
Let the water stand for 10 minutes unless otherwise stated.
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