In article ,
The Medway Handyman wrote:
Talking to someone today who had bought an Ionizer. Within a few weeks of
using it, the matt magnolia emulsion on the nearby walls has gone a dirty
grey/blackish colour. Nearer the ioniser the worse it was.

New one on me, anyone heard of this effect before?


Yep, I've got one on the bedside table - supposedly to help with my
asthma but reducing airbourne dust. Certainly removes the dust - it's no
on the wall and the lampshade is spectacularly dirty.

Darren