On 22/03/2018 09:03, RDss wrote:
Have you ever considering installing a reverse osmosis system. I use
RO. I bought this system two years ago:
https://ecosoft.com/reverse-osmosis-systems/ . It's perfect for my
needs, and works effectively.


I wouldn't fit one they are five times too expensive for what they are.

One of these should do a better job as long as your mains pressure is 4
bar or more..

https://smile.amazon.co.uk/Finerfilt.../dp/B01MXV9O3J

There is noway you are getting more than a trickle of water without the
tank from an under sink system, the membranes just aren't big enough.