Become a Member

Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.

Already have an account? Sign In

Become a Member

Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.

Already have an account? Sign In

Brands

Gear Photos

Using a Gravity Water Filtration System

Clean up water for a group in minutes by using a gravity filter. Here's how one works:

Get full access to Outside Learn, our online education hub featuring in-depth fitness, nutrition, and adventure courses and more than 2,000 instructional videos when you sign up for Outside+ Sign up for Outside+ today.


slideshow gravity filtration 1 445x260

Dunk the “dirty” hydration vessel into your water source.

slideshow gravity filtration 1 445x260

Use a cup or bowl to fill the bag to maximum capacity.

slideshow gravity filtration 1 445x260

Attach the filtration unit and hose to your dirty bag if it’s not already attached.

slideshow gravity filtration 5 445x260

Then secure the other end of the filtration unit to the “clean” bag.

slideshow gravity filtration 3 445x260

Most filters, like the one pictured, have a “clean” side and a “dirty” side that should be attached to corresponding bags.

slideshow gravity filtration 6 445x260

Attach the filter to your “clean” bag.

slideshow gravity filtration 7 445x260

Find a tree or bush to hang the dirty bag and allow “gravity” to work its magic by forcing the water down and through the filter into the “clean” bag.

slideshow gravity filtration8 445x260

After the filtration is complete and the “clean” bag is full, you can transfer the drinking water to a number of other hydration units.

Photos by Kim Phillips