http://www.outdoorlanternsonsale.com/flashlight-keychain/
UV light killing bacteria, pocket light?
I'm going camping and i don't want to waste my time boiling water and stuff. I saw something called a steripen that uses UV light to kill bacteria and viruses but it's over $100. Will this UV light be strong enough? it seems that if i point it at the bottle and wait for as long as the steripen takes it should do the same thing but i'm not sure. http://cgi.ebay.com/Super-BRIGHT-3-UV-LED-Flashlight-Keychain-Black-Light_W0QQitemZ330230738810QQihZ014QQcategoryZ16037QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
why can't you trust UV lights?
I will not trust any UV light device. I will stick to boiling water and drink only tea or coffee. If you do not want to boil water, it may be easier to use a 0.22 um membrane filter to sterilize the water before you drink it.
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