How to Choose an Off-Grid Water Filter
Key factors: source water, flow rate, filtration type, maintenance, weight, and budget.
Buyer Guides
Filter vs. Purifier: What’s the Difference?
Understand microbiological threats and when you need purification.
Gravity vs Pump Systems
When to pick hands-off gravity vs. dependable pump systems.
Personal Straw Filters: Pros & Cons
Ultralight backup vs. daily driver — where straw filters fit.
Using Bottle Purifiers in the Field
How to get the most from GeoPress, UltraPress, and more.
Squeeze & In-Line Systems
Great for thru-hikes and off-grid cabins with simple setups.
Maintaining Your Filter
Backflushing, storage, and replacement schedules.
Turbidity and Pretreatment
Why a pre-filter matters in silty water.
Options for Viral Protection
Go beyond bacteria and protozoa when needed.
Building an Off-Grid Water Plan
Layer your options: everyday, backup, and emergency.