“No Boil” Water Purifier
From $15.95
Description
Water Pasturization Indicator (WAPI)
Its a reusable device to create safe drinking water without boiling (saving you fuel!)
That’s right – you don’t have to bring water to a rolling boil to make it safe to drink. This can be useful in emergency situations, when fuel is scarce, or in sensitive wilderness areas when fires are not permitted, or discouraged. Also water cools faster from 150°F than a boiling 212°F, making it drinkable in a shorter time.
The WAPI also works particularly well with campfires, backpacking stoves or in conjunction with a solar cooker. Great for camping and emergencies.
Price: $15.95
3 for $39.95
Description:
The Reusable WAPI – Water PAsteurization Indicator is small polycarbonate tube containing a wax that melts when water is heated enough to be pasteurized (65°C/149°F). The wax changes to a liquid state and falls to the bottom of the tube, indicating that pasteurization temperature has been reached.
The Sports WAPI is an extremely useful, pocket sized, reusable device that should be in every campers kit and every home emergency kit. The complete WAPI kit is 2 inches long and about the diameter of a pencil, and weighs about 7.5 grams.
Disease-causing micro organisms in water are killed by exposure to heat in a process known as pasteurization. Water heated to 67 C (152° F) for a short period of time is free from microbes, including E. coli, Rotaviruses, Giardia and the Hepatitis A virus. (Milk and other Foods require 71 C (160° F) ).
The WAPI provides you with an effective technique to assure safe drinking water without boiling.
Not having to bring the water to a full boil – saves precious fuel, expense, resources, and time. The WAPI is small, non toxic and can be used with a variety of heat sources. The WAPI can pay for itself on fuel cost savings on your first trip. The WAPI also supports alternative methods like solar pasteurization of water.
What heat temperatures are required for killing microbes and viruses in water ?
- Worms, Protozoa cysts (Giardia, Cryptosporidium, Entamoeba) are killed rapidly at 55°C (131°F)
- Bacteria (V. cholerae, E. coli, Shigella, Salmonella typhi), and Rotavirus are killed rapidly at 60°C (140°F)
- Hepatitis A virus is killed rapidly at 65°C (149°F)
* Water Boils at 100°C (212°F) at sea level
The WAPI will tell you when your water is at 152°F when EVERTYHING is killed!
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Using a WAPI is as easy as:
- Fill it Up: Fill your container with water. (I use a Mason jar)
Submerge the WAPI: Place the WAPI in the water with the wax at the top.- Heat the Water: Heat your water until the wax melts and drops to the bottom of the tube. (I just set mine out in the sun or in the solar oven)
- Cool it Down: Once you see that the was has melted, your water is pasteurized! Let it cool down and drink up.
How Does This Little WAPI Gizmo Work?
A WAPI is a clear plastic tube with some special wax inside that melts at 152°F (67°C). Here’s the science part: Water is pasteurized and safe to drink at this temperature, killing off those nasty germs that make you sick, without needing to reach the full-on rolling boil at 212°F (100°C). That means you save time, fuel, and frustration.
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