699
That's a work of art
(piefed.cdn.blahaj.zone)
General rules:
Exceptions may be made at the discretion of the mods.
Brita filters are cheaper per litre (you can do more than 100l per filter if it's for a kettle) and create less waste. Personally I only change the filter when I notice residue in the kettle and it's been so long I have to clean out the jug with citric acid so I clean the kettle at the same time.