Guide to Filtering Water
Your typical water filter, like Brita or Pur, only removes some metals and chemicals which may make the water taste better. But these filters do not protect you against what you really need protection from, like viruses and bacteria that can be harmful to your health.
A Guide to Water Filters
Many but not all available home water filters remove Cryptosporidium. Some filter designs are more suitable for removal of Cryptosporidium than others. Filters that have the words "reverse osmosis" on the label protect against Cryptosporidium. Some other types of filters that function by micro-straining also work. Look for a filter that has a pore size of 1 micron or less. This will remove microbes 1 micron or greater in diameter (Cryptosporidium, Giardia). There are two types of these filters — "absolute 1 micron" filters and "nominal 1 micron" filters but not all filters that are supposed to remove objects 1 micron or larger from water are the same.
Guide to Storing Water
A preparedness supply kit should include one gallon of drinking water per day per person.
What to store water in:
You can store water in food grade plastic or glass containers with tight fitting screw-on caps.
How should I treat the water for storage?
Be sure that the water you are treating is drinking-quality water to begin with. To treat water for storage, use liquid household chlorine bleach that contains 5.25 percent sodium hypochlorite. Do not use bleach with soaps or scents added. Add the bleach according to the list below, using a clean, uncontaminated medicine dropper.
Stir the water and allow it to stand for 30 minutes. Chlorine should be detectable by odor after the 30 minute waiting period. If the water does not smell like chlorine at that point, repeat the dose and let it stand another 15 minutes. Place caps on containers and attach labels describing the contents and when each was prepared.
Where should I store the water and for how long?
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