BOB Water Filters Ranked by Weight and Flow
3 BOB water solutions ranked by weight, flow, capacity, and grid-down longevity — with explicit scores for each.
Storage, filtration, and purification for outages and off-grid life.
10 guides
3 BOB water solutions ranked by weight, flow, capacity, and grid-down longevity — with explicit scores for each.
Grid-down water isn't one filter. Berkey for daily filtration, Smart Water Box for humid-day collection, David's Shield for know-how. Pick by climate.
Home water security needs three layers: physical containers, a filter that handles untreated stored water, and storage math to keep rotation honest.
AWGs collapse in HVAC-conditioned air (30–40% RH). Our 3-week Boston test: 0.24 gal/day — half a person's survival minimum. Wrong tool for most apartments.
Honest builder's verdict on the Smart Water Box AWG DIY blueprint — what $39 buys, the $312 in parts, and where the engineering falls short.
AWG works in humid Gulf and PNW climates but fails in desert and cold zones — 6-month, 5-region test shows 28–34 oz/day vs. near-zero.
BOB water needs three layers: portable filter on your back, gravity filter at home base, AWG at your destination. Miss one and you're exposed.
CDC dosing: 8 drops per gallon for 6% bleach, 6 drops for 8.25%. Bleach kills pathogens but won't touch heavy metals or Cryptosporidium.
Most states allow rainwater harvesting. Skip the first-flush diverter and your stored water will taste like roof tar — here's how to do it right.
Drop 2 tetraglycine hydroperiodide tablets per quart and wait 30 minutes at room temperature — 60 minutes for cold or cloudy water. If anyone in your group has a thyroid condition, a shellfish-iodine allergy, or is pregnant, skip iodine entirely and boil instead. Iodine will not