Learn it once

Skills & Know-How

Stuff worth knowing before you need it: storing water, rotating food, basic first aid, running a generator safely. Learn it once and it's yours.

Does Bottled Water Expire? How to Store It for Emergencies

The FDA does not require an expiration date on bottled water, but the CDC says to observe the one on the label. Here is how to store it and when to swap it out.

7 min read
Illustration of a hand turning the red wheel handle of a gate valve on a copper water line, next to the water meter where the pipe comes through a basement foundation wall.

How to Shut Off Your Water Main (and Turn Off Water to the House)

Find the main valve, close it the right way for its type, and confirm the water is off. Then practice once, before you need it.

14 min read
A red fire extinguisher with a pressure gauge mounted on a kitchen wall near a window

How to Choose the Right Fire Extinguisher for Your Home

An ABC-rated extinguisher handles most home fires, but your kitchen needs a Class K and the right size you can actually lift and store correctly.

12 min read
Stacked slim water bottles and a clear storage bin on a closet shelf next to folded clothes

How to Store Water for an Emergency in a Small Space

Even a studio apartment has room for a 3-day water supply if you use slim containers, the hidden space you already have, and the right container material.

9 min read
A hand sharpening a pocket knife blade against a grinding wheel outdoors

12 Effective Ways to Sharpen a Pocket Knife

Twelve plain ways to put a clean edge back on your pocket knife, from a basic whetstone to a quick pull-through.

14 min read
Four handheld two-way radios from different brands lined up on a wood table

Do All Two-Way Radios Work Together?

Different two-way radios can often talk to each other once you match the frequency, channel, and privacy code, and here is how to set that up.

10 min read
A close-up pile of burned charcoal chunks and wood chips

Can You Purify Water with Charcoal? What the CDC Says to Use Instead

The CDC says most home water filters are not designed to remove germs. Here is what the CDC and EPA say about charcoal, what works instead in an emergency, and two picks for your kit.

9 min read
A homemade first aid backpack with a red cross patch and a cardboard "Medic" sign

Do First Aid Kits Expire? What to Check and When

Yes, parts of a first aid kit expire, so check it every few months and replace anything past its date or damaged.

14 min read
A man at a table unwrapping a water purification tablet next to a full glass of water

Do Water Purification Tablets Expire?

Water purification tablets do expire, and the date on the pack is the one to trust. Here is how long a few brands last, how to store them, and which tablets to buy fresh.

8 min read
A close-up of a hand plugging an orange extension cord into the outlet panel of a portable gas generator

Can A Generator Damage Electronic Devices?

Standard generators can put out rough, unstable power that stresses sensitive electronics over time. Inverter generators fix that by producing clean, steady power.

9 min read

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