Food

Storage and shelf life

• What Actually Lasts 25 Years in Storage, and What Quietly Doesn'tThe twenty five year figure attached to long term food storage is not marketing invention. It comes from real research, it applies to specific foods…
• "Three Days of Food": Where That Number Comes From and What It Actually MeansYou have heard it in every preparedness pitch: grocery stores hold only three days of food. It's usually deployed to imply that the country is three…

Cost and comparison

Per calorie, not per serving. A serving is a marketing unit, not a measurement.

• What Emergency Food Actually Costs Per CalorieA popular emergency food bucket sells for about eighty dollars and advertises 150 servings. It contains 25,280 calories.

Packaging and shelf life

Where the storage-life numbers come from, and the four packaging decisions that determine whether you get them.

• Where Shelf-Life Numbers Come From: A Sourced Storage TableEvery shelf-life chart in the preparedness niche is published by someone selling storage bags. This table gives the numbers with the source, the storage conditions, and whether anyone actually measured them.
• Mylar Thickness: What 3.5 Mil vs 7 Mil Actually ChangesThicker mylar buys puncture resistance, not a better oxygen barrier. The barrier comes from the aluminum layer, and the failure mode that matters is the seal, not the film.
• Oxygen Absorbers: How Many, What Size, and What They Actually DoAbsorber charts size against container volume, but the oxygen is in the air trapped between the grains. The correct calculation uses headspace, and most people under-dose by half.
• Food-Grade Buckets, Gamma Lids, and What Actually SealsA bucket is a rodent and impact barrier, not an oxygen barrier. Which plastics are food safe, what a gamma lid is for, and why sealing food directly in a bucket is the wrong architecture.
• Killing Insect Eggs Before Storage: Freezing, Dry Ice, and Diatomaceous EarthGrain arrives with insect eggs already in it. Oxygen absorbers kill every life stage on their own, which makes most pretreatment redundant, and the exceptions are specific.

Preservation

• Pressure Canner vs Water Bath vs Steam CannerChoose pressure, boiling-water, or atmospheric-steam canning from food acidity and a tested process—not equipment marketing.
• Preserving Food Without Power: What Actually WorksEvery method of preserving food does one of three things: removes the water, changes the pH, or drops the temperature below what bacteria tolerate.…

Growing your own

• What a Quarter Acre Actually Feeds: The Yield MathThe self-sufficiency conversation runs on pounds. Pounds of tomatoes, pounds of zucchini, a photograph of a full harvest basket. Pounds are the wrong…
• Growing Medicinal Herbs From Seed: What Each One NeedsMost medicinal herb guides skip the step that decides whether you get plants at all. It isn't soil, water, or light. It's cold stratification — the…