What it is
The Reliance Aqua-Tainer is a 7-gallon food-grade polyethylene water container designed specifically for long-term water storage. It has a built-in spigot for dispensing without lifting the full container, a wide-mouth opening for filling and cleaning, and a stackable rectangular profile that maximizes shelf space. It's BPA-free and meets FDA standards for food contact.
Two of them — $50 to $60 total — cover the minimum recommended water supply for a family of four for three days (1 gallon per person per day). That's the 72-hour baseline, covered in a single purchase.
Why it works
The container design solves the three main problems with improvised water storage:
Engineered for storage, not transit
Milk jugs are designed for weeks. This is designed for years. The plastic is substantially thicker, the seams are reinforced, and there's no residue from previous contents that would encourage bacterial growth.
Spigot means no lifting
A full 7-gallon container weighs about 58 pounds. The spigot lets you draw water without moving it — important for children, older household members, or anyone who needs to access the supply multiple times a day.
Stackable profile
The rectangular shape lets you stack them — the spigot housing sits at the front, not the bottom. A shelf or closet corner holds several without wasted space.
The one thing to know
The spigot can develop a slow leak at the gasket after extended use — especially if the container gets moved frequently. Before relying on it for storage, test the spigot seal: fill the container, set it upright on a dry surface, and check after 24 hours. If there's moisture around the spigot base, tighten the nut behind the gasket or replace the gasket (widely available for under $5). This is a maintenance issue, not a design flaw, but worth knowing before the container is in a closet for six months.
Alternatives worth knowing
WaterBOB ($30) — for pre-event filling
A large bladder that fills your bathtub before a storm hits. Stores up to 100 gallons. Not a substitute for stored containers — it requires advance notice and a functional bathtub — but the best option when you have hours of warning before a hurricane or winter storm.
Commercially sealed water (~$8–$12 per case)
Cases of bottled water work for short-term storage but are expensive per gallon and generate significant plastic waste over multiple rotation cycles. The Aqua-Tainer is cheaper long-term and has zero per-use cost after the initial purchase.
Sawyer Mini filter ($25) — the backup
Not a replacement for stored water, but a critical backup. Filters up to 100,000 gallons from any freshwater source. If your stored supply is exhausted, this turns a stream, pond, or tap into safe drinking water. Buy one alongside the containers.
Maintenance
Rotate every six months. Empty, clean with diluted bleach (1 teaspoon per gallon of water, let sit 30 minutes, rinse thoroughly), refill with fresh tap water. Mark the fill date on the outside with a permanent marker. Check the spigot gasket at each rotation.
The water you empty at rotation isn't waste — use it to water plants, wash the car, or clean outdoor surfaces.
NWS recommendation
Buy two for a household of four. Add a Sawyer Mini as backup. Fill and date them this weekend. That's the water baseline for 72 hours, done.
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