Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
slownews45
on July 7, 2021
|
parent
|
context
|
favorite
| on:
Instant water cleaning method ‘millions of times’ ...
They are testing against E Coli which is an easy target. My understand was always that E Coli is on the order of 1 minute.
If you are into camping you might be thinking of things like Giardia - much harder to kill.
engineer_22
on July 7, 2021
[–]
Cl cant kill Giardia oocysts, they have to be filtered out.
slownews45
on July 7, 2021
|
parent
[–]
Chlorine is effective against Giardia. It requires longer exposure periods generally and can be temp dependent (ie, 1 hr vs 1 minute).
engineer_22
on July 14, 2021
|
root
|
parent
[–]
Yes, that's right. Cryptosporidium, another common parasite, is much more resistant to Chlorine
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
If you are into camping you might be thinking of things like Giardia - much harder to kill.