Updates From The MetaEfficient Kitchen Labs

This summer I’ve been working on food-related optimization projects, here are some updates: I now have subscriptions with two local farmers (through a CSA or Community Support Agriculture). One farmer provides me with raw milk, raw butter and eggs, the other farmer provides vegetables and fruit. They both happen to deliver to same street in my neighborhood, so I ride my bike …

How To Filter Your Drinking Water Very Efficiently

I’ve spent quite a bit of time researching how to filter drinking water effectively. Originally, I was interested in filtering the rainwater that falls on my roof. But I had to put that project on the back burner for now. During my research I noticed that there is little unbiased information available on water filters and filtration techniques.

Very Efficient: Pocket Filter by Katadyn


This is a serious portable water filter from Katadyn. It’s efficient because it uses a ceramic filter, which will not let anything larger than 0.2 microns through. It also has a long life — it will filter up to 13,000 gallons before you need to replace the cartridge. The filter eliminates bacteria, viruses, cysts, protozoa, algae, spores, sediment and reduces …

Most Efficient Water Cleaner: Terra Cotta Gravity Water Filter and Cooler


Here is another efficient ceramic water filter. This gravity filter has a hand-made terracotta base, which cools the water using natural convention. We consider it metaefficient because: its has excellent filtration, and a very long filter life (years). Also, the terracotta doesn’t leach contaminants into the water, and it keeps the water cool without needing external energy. It’s available from …