Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
tguvot
4 months ago
|
parent
|
context
|
favorite
| on:
I'm Wirecutter's water-quality expert. I don't fil...
yes. it removes calcium and magnesium and it makes water more acidic. also i think it starts absorbing CO2 making it even more acidic.
RO doesn't output pure water. if you want pure water you slap DI filter after RO membrane.
bernawil
4 months ago
[–]
you're right, a little oversight from me.
Consider applying for YC's Winter 2026 batch! Applications are open till Nov 10
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
RO doesn't output pure water. if you want pure water you slap DI filter after RO membrane.