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Gravity fed water filter

5 replies

CandidHedgehog · 07/11/2026 11:20

I live in a flat which means I lose water even with a very localised power outage (so even if the water treatment plants are fine). I’d like to get a gravity fed water filter (one of the smaller camping ones so it stores better). Can anyone recommend one?

OP posts:
AngelDog · 07/11/2026 11:35

Berkey are the classic brand, though you can get cheaper versions. Love ours - we use it all the time for drinking water and it filters put almost all nasties.

CandidHedgehog · 07/11/2026 12:15

Thanks, I’ll take a look. Mind you, I think a lot of people have the same idea - lots seem to be sold out.

OP posts:
72Kit · 07/11/2026 17:15

If the bigger units are sold out, the small squeeze-type camping filters (Sawyer and similar) can be set up gravity-fed by hanging the dirty-water bag above a clean container, and they pack down very small. For a flat, it's also worth keeping some tap water in clean, sealed bottles as your first line (about 3 litres per person per day for drinking and basic cooking), and filling the bath as soon as the water starts to fail so you have some for flushing and washing.

CandidHedgehog · 07/11/2026 17:31

72Kit · 07/11/2026 17:15

If the bigger units are sold out, the small squeeze-type camping filters (Sawyer and similar) can be set up gravity-fed by hanging the dirty-water bag above a clean container, and they pack down very small. For a flat, it's also worth keeping some tap water in clean, sealed bottles as your first line (about 3 litres per person per day for drinking and basic cooking), and filling the bath as soon as the water starts to fail so you have some for flushing and washing.

Oh, absolutely. I already have my bottled water and containers for tap water. This is for long periods without water.

OP posts:
72Kit · 08/11/2026 17:11

CandidHedgehog that makes sense. For a longer outage, your water company has to arrange an alternative supply, usually bottled water stations, and if anyone in the household is vulnerable you can join its Priority Services Register for deliveries. On the filter itself, check whether it's rated for viruses as well as bacteria (many small camping ones aren't), and bear in mind most won't remove chemicals, so roof rainwater is still risky. Boiling after filtering gives you an extra margin.

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