I read some research, some years back, on aerosol formation and spread, lid down didn't make as much difference as I'd have expected, though it did change distribution pattern significantly.
It lead me to think that seat and lid should have a silicon surround underneath.
It lead me to think that seat and lid should have a silicon surround underneath.
Reposted from
The Guardian
Daisy Ridley: ‘I made a toilet cake on Bake Off because flushing with the lid up is unhygienic beyond belief’
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