The H2gO GLOBAL is an ideal device for those who will be treating generally clear water or who are very sensitive to the taste of chlorine in the water. The GLOBAL kills viruses and bacteria with a single 2.5 mg/L dose, but requires a double dose to kill Giardia and Cryptosporidium. The H2gO GLOBAL was designed to meet World Health Organization (WHO) standards as defined in the Household Water Treatment Scheme (HWTS). People in low- and middle-income countries are often at higher risk for viral and bacterial contamination, and they find the lower dose more palatable. The GLOBAL is still a good choice in the developed world for finishing treatment after filtering or for standalone treatment against all pathogens with a double dose. The H2gO GLOBAL will supply a family with at least 10 years of safe water (at 40 L or 10 gal per day) for only $0.50 per year in common salt and a weekly recharge.
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The H2gO GLOBAL is a suitable choice for the following circumstances: Inclusion in a Go-Bag or other preps Water that is already pre-filtered A principal goal of treating only virus and bacteria No issue with multi-dosing for treatment of protozoa Individuals from developing nations who are replacing the CDC's Safe Water System (i.e. bottled bleach) Those who may be turned off by a possible taste of chlorine Common usage of a 20L container The H2gO GLOBAL has volume settings of 1, 2, 5, 10, and 20 liters, with a dose of 2.5 mg/L free available chlorine, in alignment with Centers for Disease Control (CDC) Safe Water System requirements common in developing nations. One battery charge will deliver 240 liters, and the device has a lifetime capacity of 120,000 liters (32,000 gallons) with no replacement parts needed. The H2gO GLOBAL is certified by the World Health Organization (WHO) as meeting their classification for Household Water Treatment Systems. A single dose meets WHO treatment standards for viruses and bacteria, while in-house tests show multiple doses inactivate protozoa like Giardia and Cryptosporidium, even in cloudy waters. Independent evaluations are in process to obtain approval at the higher level WHO classification as a "protective" water treatment system.
