Category: How Tos

DIY Air Purifier for Wildfire Smoke: The $50 Grid-Down Air Filter

Box fan attached to air filters on a wooden workbench in a workshop

The article discusses a DIY solution for improving indoor air quality during wildfire season using a Corsi-Rosenthal Box. Made with a $20 box fan and MERV 13 filters, it is cost-effective, efficient, and easy to build. It offers superior air purification compared to expensive commercial options, effectively filtering harmful PM2.5 particles.

How to Calculate Your Family’s Emergency Wattage Needs: A Step-by-Step Guide

Bluetti portable power station powering coffee maker, toaster, and smartphone on kitchen table

To ensure reliable emergency power during outages, accurately calculating your family’s wattage needs is crucial. This guide outlines steps to determine running and surge watts for essential appliances, categorize them by priority, and assess daily energy consumption. Adding a safety margin ensures efficient generator or battery usage, preventing overload.

How to Build a DIY Water Filtration System for Survival

How to Build a DIY Water Filtration System for Survival

A DIY water filtration system is essential for ensuring access to clean water in emergencies, camping, or off-grid situations. It effectively removes contaminants using materials like activated charcoal, sand, and gravel. While inexpensive and portable, it’s not fully effective against viruses and needs additional purification for safety.

How to Make a Ghillie Suit for Stealth and Survival

A ghillie suit is an essential item for any prepper who needs to stay hidden and undetected in a wilderness or urban environment. Whether you’re hunting, scouting, patrolling, or evading, a ghillie suit can help you blend in with the surroundings and avoid detection by other humans or animals.