Scenario · 8 entries
Flood
Water is rising, or the cleanup has begun.
Floodwater contaminates wells, ruins stored food, and shuts roads. Clean water, dry storage up high, and a way to cook without utilities carry a household through the first week.
Start with the full guide
Master guideWater: storage and purificationHow much water to store, how to store it, and how to make more safe to drink when the stored supply runs low.Open the full page Master guideWater purification methodsMaking water safe: calcium hypochlorite treatment, well water risks, water testing tools, and what to do when city water is cut off.Open the full page Master guideHygiene and Sanitation When the Water Is OffWhat to do when the water goes off: bucket toilet, hand washing, waste, body, teeth, laundry, dishes, disinfecting, and pests, with the shelf item and recipe page for every job.Open the full page
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Formulas 4
Compounds and Cleaning · Formula
Mold and mildew cleaner (vinegar)
Undiluted white vinegar kills many common molds on hard surfaces without the toxic fumes of bleach, though its effectiveness varies by species.
Water · Formula
Purify water with calcium hypochlorite (pool shock)
Stock: ~1,000 ppm; Dose: 1 tbsp stock / gal; Wait: 30 minutes
Water · Formula
Purify water with Lugol's iodine (2%)
Clear water: 5 drops / quart; Cloudy/cold: 10 drops / quart; Per gallon: 20-40 drops
Compounds and Cleaning · Formula
Surface disinfectant from calcium hypochlorite (pool shock)
Dose: 1½ tsp / gallon; Strength: ~1,000 ppm; Dwell time: 1-10 min wet
Guides 4
Kits and Planning · Guide
Overnight readiness pack loadout (Breakwater Fogland 25L)
Fogland 25L: IP68 submersible, 2.1 lbs empty, floats with over 40 lbs of gear
Kits and Planning · Guide
Portable SSD backup for home inventory and documents
Pick: SanDisk Portable SSD in a Faraday jacket, plus cloud and an off-site copy
Kits and Planning · Guide
Survival supplies for flood victims
Clean drinking water is the most critical need after a flood
Water · Guide
Water purification methods
Store 1 gallon of water per person per day: three days bare minimum, two weeks the target
Nothing matches those filters.
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