Articles · Topic
Articles about Gravity Filter
10 articles across 3 sections
Section
Self-Reliance
Build a Two-Bucket Gravity Water Filter
Step-by-step two-bucket gravity filter build: drill, install elements, spigot, red dye test. Element selection, flow rate, troubleshooting, maintenance, and clear limitations.
Gravity Water Filters: How They Work and What to Look For
How gravity filters work, what certifications actually mean, what most models don't remove, and how to size a system for your household. The honest guide before you buy.
Water Filtration for Emergencies
Gravity filters, pump filters, UV, and boiling, a clear guide to which water filtration method works for your household, what each removes, and what none of them do.
Section
Gear and Buying Guides
Berkey Water Filters, Trusted Brand Profile
New World Survival's verified profile of Berkey (New Millennium Concepts, Ltd.), 28 years of gravity filtration, strong independent lab results, and an honest account of the active EPA regulatory dispute over Black Berkey elements.
Best Gravity Bag Water Filter (2026): Platypus GravityWorks vs. Sawyer
Platypus GravityWorks 4L filters 1.75 L/min hands-free. Does not remove viruses, add chlorine dioxide tablets for full coverage. Best for groups; Sawyer DIY system is the budget alternative.
Ceramic Filter Replacement Candles
The original gravity filter technology. Ceramic candles are scrubbed to restore flow and replaced when they reach their gallon rating. How they work and how to maintain them.
Countertop Water Purifier vs. Gravity Filter: What's the Difference?
Countertop RO removes fluoride, nitrates, and dissolved solids that gravity filters miss, but requires electricity and water pressure. In a power outage it stops. Gravity filter is the no-electricity emergency backup.
Gravity Filter System Replacement Elements
The filter element is the system. Replace on schedule, match your brand exactly, and keep one spare set on hand. What to know before you need a new one.
Water Filters and Purifiers: The Complete Buyer's Handbook
The filter versus purifier distinction, what absolute pore size and the NSF/ANSI numbers actually certify, and how gravity, squeeze, pump, bottle, and countertop formats compare for a household.