How much bleach do I add to 55 gallon water for storage?
James Craig
Published Jan 21, 2026
How to Disinfect Water in a 55-Gallon Barrel for Long-Term Storage
- Add 1/4 teaspoon of calcium hypochlorite to the filled barrel and screw the lid on. ...
- Add 2 Tablespoons of FRESH unscented regular bleach (sodium hypochlorite). ...
- Add 1 bottle of Water Preserver Concentrate.
How much bleach do I add to 50 gallons of water?
To disinfect your 50 gallon hot water heater requires 1.5 cups of bleach left in the tank for two hours or 3/4 cup of bleach left overnight. For a 30 gallon tank, cut the amount in half. Keep in mind that a bit too much usually doesn't hurt anything.
How do you clean a 55 gallon drum for water storage?
Mix 1 tablespoon of bleach per one gallon of water. If the lid is not removable, fill the bucket half full, mix with one cup of bleach, secure the lid, and roll the bucket around. Whichever method you use, rinse the barrel multiple times to dispel any residue.
How long will bleach treated water last?
Chemical treatments (including household bleach or iodine) can be used every 6 months to a year to keep the water potable. However, the best practice is to drain water storage, clean containers, and replace them with new potable water about every two years or sooner.
Should I put bleach in my water storage?
Do I need to put chlorine in the water before I store it? If the water source is not chlorinated, household bleach (5% sodium hypochlorite) should be added. Regular, unscented bleach is best but brand does not matter. No bleach is needed if you are storing chlorinated water from a public water supply.
30 related questions foundHow long can you store water in a 55 gallon drum?
Water Storage Barrel - 55 Gallon
Water is the #1 emergency supply to have. This barrel can store up to 55 gallons of emergency water for 5 years (when used with water preserver concentrate).
How do you store fresh water storage?
Tips for storing safe water in a container after cleaning and sanitizing:
- Label container as “drinking water” and include storage date.
- Replace stored water every six months.
- Keep stored water in a place with a cool temperature (50–70°F).
- Do not store water containers in direct sunlight.
How much Clorox do I store in water?
Water stored in thoroughly clean plastic or glass containers can be chemically disinfected for long-term storage by treating each gallon with 4 to 5 drops of unscented liquid chlorine bleach (Clorox or Purex type bleaches, containing 4% to 6% sodium hypochlorite). One teaspoon of bleach disinfects 5 gallons of water.
How do you stabilize water for long term storage?
Fill bottles or jugs directly from the faucet. Cap tightly and label each container with the words "Drinking Water" and the date stored. Store sealed containers in a dark, dry, and cool place. If after six months you have not used the stored water, empty it from the containers and repeat steps 1 through 3 above.
How long will bottled water last in storage?
The recommended shelf life is two years. The U.S. Food and Drug administration which regulates bottled water does not require a shelf life be listed but due to degradation of plastic over time, especially in heat we recommend two years for still water and one year for sparkling water.
How much bleach do you use to clean a 55 gallon drum?
You need to use four and a half cups of bleach for a 55-gallon barrel.
How much bleach do I put in 275 gallons of water?
Step 5: Drain and flush tank
A general rule of thumb to shock chlorinate and disinfect a storage tank is to mix non-scented NSF-approved household bleach (5.25% chlorine) in the reservoir at the ratio of 1 gallon of bleach for every 1,000 gallons of water (i.e., 1 quart for every 250 gallons of water).
What does 55 gallons of water weigh?
One US gallon of water weighs 8.34 pounds at 62°F, consequently, to find the total weight, we only need to multiply the 55 gallons by the gallon weight. This simple calculation shows us that 55 gallons of water weighs 458.7 pounds, or 208.06 kilograms.
What is the ratio of bleach to water for drinking water?
In an emergency, to purify drinking water, two methods are most often used. They are boiling the water and adding chlorine (household bleach, such as Regular Clorox) to it. Most emergency experts and health officials suggest a mixture of 8 drops of bleach to a gallon of generally clear water for best results.
How much bleach should I put in my water tank?
Use 1/4-cup of liquid household bleach (sodium hypochlorite) for every 15 gallons of fresh- water tank capacity.
How long can tap water be stored in plastic bottles?
Bottled tap water lasts about 6 months (if treated with chlorine) before you will need to replace it with new water. Most municipal tap water is treated with chlorine, and chlorine loses it's potency over time. I recommend using food-grade water storage containers if you plan on storing your own tap water.
What are 3 ways water is stored?
Water can be stored in the atmosphere, on the surface of the Earth, or underground. These water storage areas are most commonly known as reservoirs. Natural reservoirs include oceans, glaciers and ice sheets, groundwater, lakes, soil moisture, wetlands, living organisms, the atmosphere, and rivers.
How can we prepare for water shortage?
Fewer Dishes to Wash
Stock up on disposable plates and utensils. Conserve your supply of water by minimizing the number of dishes you have to wash. It's never too early to prepare your family and your home for hurricanes, severe weather or natural disasters.
How much bleach do I use for 40 gallons of water?
For sanitizing it's 3/4 cup for a 40 gallon tank. Do the math. Pump it thru the entire system, let it sit for at least three hours, then flush it out at least once with fresh water.
How long does Clorox last in water?
When bleach and water are mixed together to create a cleaning or disinfecting solution, the solution is only good for 24 hours. The temperature of the water does not affect the cleaning or disinfecting abilities of the solution. After the 24 hours, the solution begins to lose needed disinfecting properties.
How much bleach do I use for 1000 gallons of water?
For laundry bleaches: 1 gallon is required for every 1000 gallons of water, and there are 1500 gallons of water in the well. Therefore, 1 ½ gallons of laundry bleach is required to disinfect this well.
Can you store water in the garage?
But Cheryl Watson, a professor in the biochemistry and molecular biology department at the University of Texas Medical Branch in Galveston, advised people not to store bottled water in places that have a significant amount of heat, like a garage or a car parked outside.
How long is boiled water good for?
Cooled boiled water will remain sterile for 24 hours as long as it doesn't come into contact with any contaminants. So, it's a good idea to store the cooled water in a closed container. Placing the container in the refrigerator will also keep the water drinkable even longer.