DIY Emergency Water Pouches: Taking Care of Dehydration

SurvivalWoman SurvivalWoman  |  Updated: July 2, 2019
DIY Emergency Water Pouches: Taking Care of Dehydration

Editor’s Note: This is a special contribution from longtime BDS community member, Donna.

What is Dehydration? Its Cause and Solutions

Dehydration happens when you use or lose more fluid than you take in, and your body doesn’t have enough water and other fluids to carry out its normal functions. If you don’t or can’t replace lost fluids, you will get dehydrated.

drinking-water-filter-singapore-man and woman

In the past 5 months, two family members have become dehydrated, one older person and one 20 month old. The first was from an infected kidney stone; the baby’s dehydration happened because of vomiting and diarrhea. Anyone may become dehydrated, but the condition is especially dangerous for babies, young children and older adults.

The most common cause of dehydration in babies and young children is severe diarrhea and vomiting. Because of their small size and low body weight dehydration can happen quickly. In the beginning it can easily go unnoticed, so it’s important to learn how to recognize the symptoms and know when and how to treat this condition, and how to avoid it in the first place if possible.

Always encourage children to drink water, especially when they’re playing outside. Make it easily available.

girl drinking water

One key factor in maintaining hydration is keeping the proper balance of electrolytes. When you sweat, you lose electrolytes. Nausea and vomiting can deplete electrolytes quickly. Without them in proper balance, you can become dehydrated.

It is a good idea to keep a bottle or two of Pedialyte or the ingredients to make your own electrolyte solution, available in your home at all times (Recipe to follow). This drink is made to replace lost electrolytes in children. It comes in flavors and unlike the Pedialyte of the past, which tasted very salty, the newer version is more palatable.

boy drinking water

People often think that Pedialyte and Gatorade are interchangeable. Here is what I discovered. The Pedialyte website says that the difference between Pedialyte and sports drinks is that sports drinks are ‘too high’ in carbohydrates and ‘too low’ in sodium for children generally. These are important considerations when treating dehydration due to vomiting and diarrhea in infants and children.

For athletes, however, that difference can make the difference. With lower carbohydrates and higher sodium, athletes could experience different results with Pedialyte than they do with Gatorade. So keeping both products on hand as part of your medical preparedness may be essential.

Here are two electrolyte replacement recipes you can make at home and you don’t have to be concerned about artificial colors and flavors. Don’t worry about electrolyte replacement as long as you or your child are eating food and drinking water.

Strawberry Smoothie Electrolyte Recipe (Gatorade replacement for adults)

milkshake strawberry

  • 3 cups of coconut water (I have read that coconut water is similar in structure used in IV fluid replacement therapy).
  • 1 cup of strawberries
  • 1 cup of cold water
  • 1 cup of ice
  • 1/8 tsp. of salt
  • 2 tablespoons of natural sugar or honey

Directions:  Place all the ingredients into blender at the same time and blend until all the ingredients are smooth.  Chill and serve cold.

A natural electrolyte Pedialyte drink alternative

It’s easy to make a natural electrolyte drink at home—using ingredients that you probably already have in your kitchen—without the artificial ingredients that are in Pedialyte.

I like that this recipe is 100% in line with the World Health Organization (WHO) and UNICEF recipe and guidelines for oral rehydration salts (ORS).

DIY Natural Pedialyte Ingredients Recipe (for babies and children)

  • 6 teaspoons sugar (remember that children under 12 months of age should not have honey, so no substitutions)
  • 1/2 teaspoon salt
  • 1 liter (or 4.2 cups) of filtered drinking water

glass of water drinking

If you’ve got organic sugar and natural sea salt, that’s all the better. Sea salt contains minerals. Mix all the ingredients in a clean jar. Refrigerate.

Double check and make sure you’re using the precise amounts of each ingredient. Too much sugar can make diarrhea symptoms worse, and too much salt can also be harmful.

Encourage a dehydrated child to drink as much of this Pedialyte alternative as possible.

  • Children under age 2 need a minimum of 1/2 cup of this drink after each bout of diarrhea.
  • Children over age 2 need a minimum of 1 cup of this drink after each bout of diarrhea.

If you need to, you can spoon feed your child this solution.

This drink will replenish your child with the liquid and nutrients that are lost during diarrhea. Diarrhea or loose stools normally last for fewer than four days.

Be Wary

Trips to the beach or swimming pool can create the illusion of hydration. After all, our bodies are in the water. The water spray and breezes are cooling to our skin. We feel exhilarated and drinking water is probably not on our mind. But this is a prime time to be aware that we need to drink water.

children playing in water

Exercise, the hot rays of the sun and an extended time outside all need to be factored in to our fluid intake. Hydrate well before taking that long walk on the beach. If you will be gone for more than an hour take some water along.

Older adults naturally have a lower volume of water in their bodies, and may have conditions or take medications that increase the risk of dehydration. Older people aren’t able to conserve water as well as they used to when younger. The sense of thirst becomes less acute and the body’s ability to respond to changes in temperature is diminished.

This means that even seemingly minor illnesses, such as infections affecting the lungs or bladder, can result in dehydration in older adults. Of course this condition can happen in any age group simply by not consuming an adequate amount of water, especially during hot summer months or if there is an inadequate fluid intake during prolonged exercise.

guy exhausted gym

It also happens because the body is losing fluids quicker than they are being replaced. This can happen due to vomiting and diarrhea but also in exercise. Small sips of water taken at frequent, regular intervals can prevent dehydration in these situations.

You can usually reverse mild to moderate dehydration by drinking more fluids, but severe dehydration needs immediate medical treatment. Treat it as early as possible.

Adequate hydration should be a priority consideration in times of crisis whether you are bugging out or staying put. In either case having sufficient fluids, purification, and storage strategies in place is essential.

Symptoms of Dehydration

Thirst isn’t always a reliable early indicator of the body’s need for water. Many people, particularly older people, don’t feel thirsty until they’re already dehydrated. That’s why it’s important to increase water intake during hot weather or when you’re ill.

The signs and symptoms of dehydration also may differ by age.

Infant or young child

  • Dry mouth and tongue
  • No tears when crying
  • No wet diapers for three hours
  • Sunken eyes, cheeks
  • Sunken soft spot on top of skull
  • Listlessness or irritability


  • Extreme thirst
  • Less frequent urination
  • Dark-colored urine
  • Foul smelling urine
  • Fatigue
  • Dizziness
  • Mental Confusion

People with Chronic or Acute Illnesses

  • Kidney disease
  • Diabetes
  • Forgetfulness (forgetting to drink or eat) If you are the caregiver for an older person make sure to keep track of the amount of fluid ingested daily. Setting a schedule for drinking can be a useful reminder. Keep a list of intake and if needed of output. It’s often easy to get busy or preoccupied and forget to drink so sometimes even otherwise healthy individuals need a reminder to drink water.
  • Sore throat or bronchitis make it more painful and difficult to drink, making one more susceptible to dehydration. 

The Mayo Clinic Gives These Guidelines:

Call your family doctor if you or a loved one:

  • Has had diarrhea for 24 hours or more, (my comment: Call even on a weekend when doctor’s offices are closed. There should always be an on-call doctor available to answer questions or make recommendations to take care of the situation).
  • Is irritable or disoriented
  • Is much sleepier or less active than usual
  • Can’t keep down fluids
  • Has bloody or black stool

Water is to Your Body as Oil is to your Car Engine

Our bodies are made up of about 60% water, 75 % of our muscles and 85% of our brains; every system depends on water. It’s like oil to a machine. People often think that when they get a little shaky they should eat something but studies have shown that the body is often just begging for water.

man drinking water

The next time you get shaky or feel fuzzy-brained try drinking a glass of cool water and see if things clear up fairly quickly. Proper hydration is important for healthy skin, hair, and nails, as well as controlling body temperature, heart rate, kidney function and blood pressure.

Water is needed for good digestion and elimination. It is necessary for absorption of vitamins and nutrients from our food. It is a critical part of detoxifying the liver and kidneys and carrying away the toxins that often accumulate and make us ill. If your urine becomes cloudy or foul-smelling, start drinking, a lot. So drinking water is not just a good thing to do, it’s indispensable if we want to be as healthy as we can be.

It’s definitely essential,” says Jim White, registered dietitian and personal trainer in Virginia Beach, Va., and American Dietetic Association spokesman.

What we’re finding is so many people are deficient,” he notes. “We’re seeing a huge decrease in athletic performance and an increase in fatigue that’s caused by the lack of hydration. Alcohol is a huge dehydrator.

drinking alcohol cocktail

One key factor in maintaining hydration is keeping the proper balance of electrolytes. When you sweat, you lose electrolytes. Without them in proper balance, you can become dehydrated.

A Few Fun Ways to Drink More Water

Some people have a hard time drinking water straight up. If that is your challenge try adding lemon, lime or other citrus to your pure water. Adding raspberries or strawberries to plain sparkling water may be the answer for you. Making a water/fruit/veggie infusion may be just what the doctor ordered!

girl drink water

There are a large variety of drink infusers on the market, from infusion pitchers to double-walled insulated fruit infuser sport water bottles and small single serving add-in infusers.

Cucumber and mint in an infuser water bottle is so light and refreshing.

Infusion Water Bottle


Infusion Water Pitcher

Chef’s INSPIRATIONS 3 Core Infusion Water Pitcher. 3 Quart (2.8 Liters).

If you drink highly sugared drinks in the quantities of water needed for good hydration you will quickly be consuming a dangerous amount of sugar and sugar stresses every body system. Normally the body craves pure water.

Make an iced herbal tea and have it handy in your refrigerator, or bring it along when you take a road trip by using a small ice chest or an insulated sports water bottle. Bring along several. For Christmas, I bought several red quart size double walled, insulated bottles for my kids and their spouses. They keep water ice cold even if you leave it in the hot closed car for 4 or 5 hours!

iced tea in forest

Making water drinking options available ahead of the time they are needed is key to following through with the goal of higher water intake.

Sometimes we awaken with a headache or we develop one during the afternoon. Don’t reach for the pain reliever; reach for a long tall glass of water instead. Dehydration is a major cause of headache; you may be surprised at how quickly a glass of water brings on clearer thinking as well as headache relief.

Are you hungry and it is nowhere near meal time? Often that feeling of hunger is a trigger that our bodies need water.

Many fruits are great sources of water. Watermelon is 90% water. Grapefruits, oranges, grapes and melons like cantaloupe and honeydew supply a wonderful sweet spring of water that most everyone enjoys. Just be careful to limit fruits for diabetics.

girl eating watermelon summer

Although not as obvious, many vegetables provide a good amount of water. Cucumbers, tomatoes, celery, some lettuces, red, orange and yellow peppers are a few of them (green peppers are more likely to trigger indigestion because they are not ripe) . So there you go! Just toss a salad together and increase your hydration!

Making Your Own Water Pouches

This is a great way to store individual servings for mid-term use (at least five years)! 

This brings us to storing an emergency water supply. Although long-term water storage is not the focus of this article I thought it would be a good time to share a hack we developed through experimentation about 5 years ago. It is not meant to replace various long term water storage methods.

As our family was revamping, updating and streamlining our food and water preparedness supplies, I wanted to have a quick, easy and portable short-term water supply. Perhaps something that would travel well in a vehicle, backpack or 72 hour kit.

What we came up with was inexpensive and it has been more durable than expected.

If you have ever considered purchasing the Datrex individual serving water pouches here are some good things to compare before you make the purchase. Datrex is one of the more popular single use water storage options.

datrex water pouch

Datrex: 4 oz. water per pouch.

Hack: 15-20 oz. water per pouch. Cost: a few cents per pouch. 

water pouch

It’s Easy to Make These DIY Water Pouches

You can use either 5 or 7 mil Mylar bags. The size bag I use is 12”x13”. I experimented with pouch sizing and determined that dividing the bag equally into 3 sections approximately 4” x 13” was best for ease of filling and sealing.

Mylar Bags 5 Mil

NOTE: In case you are concerned about using Mylar which is a PET Polyethylene terephthalate, it has been used for many years with no adverse effects to health and has become a material of choice for bottling beverages, such as mineral water and carbonated soft drinks. It also is used for microwave food trays and food packaging films. It has been tested many times through the years and is FDA approved.


I was fortunate enough to have a commercial impulse sealer (not mine) that was being stored at my home and I was free to use it. A machine like that could set you back about $850.00. During the time we stored it, we sealed hundreds of pounds of food. Friends came and used this gorgeous machine. When the water idea came up my husband and I experimented till we figured things out, then we sealed for hours.

There are sealers on the market starting at about $50 and up, but I have not used them so can’t comment with any first -hand knowledge. I have heard of people using hair straightening irons.

The sealing portion of a Seal-a-Meal or Food Saver device would probably be too small to work on the longer end of the Mylar pouch. I don’t know if they make an extra-large model. The liquid might also be problematic.

BUT, not to worry, there is an easy, inexpensive alternative. You can use your iron as the sealer. It won’t hurt the appliance. Just make sure it is set to the high setting, but since there can be variable temperatures between irons you can experiment a few time to see what really works for you.

iron appliance

Do a few pouches at first then test the seal by being a little rough, toss one around, drop it on the floor, even squeeze it (outside) to see how much it will take. The seal should be quite sturdy. This is just a test to see if your iron is sealing as it should. Avoid any kinks or bubbles in the seal. Remember you can cut off the sealed top, just below the seal, empty some of the water, fill, dry the lip and reseal.

How to Seal

Simply heat-seal the open sides except the tops. We did all of the pouches first, then filled them with water but only to the point that we could fold the top slightly over a hard surface and align it to seal without spillage. It works well if you can place the very top of the bag over the edge of a hard surface about ½”, allowing the water-filled part to hang down.

If you get water at the sealing edge just wipe it off inside and out with a clean cloth making sure it is dried completely. Fold it over the edge of an old table, a 2×4 etc. You may want to use a thin kitchen towel between the old tabletop and the iron.

Run the hot iron over ½” of the Mylar top until it is sealed well over the entire length of it. Here is where your prior testing comes in handy. Hang in there! You’ll soon get into the rhythm. Having another person to help makes it a little easier.

NOTE: If you plan to do a lot of these it’s faster to work with a partner in a “FILL and SEAL” assembly line style. You can fill from a pitcher or faucet, but you’ll need to create a way for the “waiting-to-be-sealed pouch” to stand up and not spill over. We used a straight sided glass water pitcher but use your creativity and use whatever you have available to make it work. It was actually a lot of fun, mistakes and all.

Sizes and Purity

We found that we liked the 15-20 oz. size the best. We tried to make the smaller pouches but it was difficult to make the very small 4 oz. pouch because the water kept spilling out when we used the impulse sealer and who drinks ½ cup of water anyway? It seemed much too small.

We like the idea of knowing that the water we sealed up was pure and did not contain “preservatives” or impurities. We didn’t even add a few drops of bleach because we didn’t know if that was acceptable with Mylar. We opened a pouch at the 2 year mark and had it tested for purity then again at the 3 year mark.

There was no change year either. Each year remained the same as the baseline testing done at the time of filling. We skipped the 4 year test. At the 5th year test the water remained pure. The Datrex has an expiration date of 5 years so we figured that would probably be our expiration date on the DIY.

We’ll test again next year but it was reassuring to know that our little project produced consistently pure drinkable water for 5 years and counting.

water pouch straw

Notice the small notch at the upper right corner where the arrow is pointing. This is the tear line. When the pouch is held upright there is room to make the tear without spillage. We didn’t do this to all of the pouches as we thought it might compromise the integrity of the seal.

So far that hasn’t happened but I should take a couple of pouches in my backpack on an all-day foraging hunt and see one remains well sealed. The other will be used! Seven mil Mylar is pretty rugged so I think it will remain intact.

pouch date
Label and date. A closer look at the seal.

Final Thoughts on Preventing Dyhydration

  • Be aware of the signs of dehydration and act immediately if these signs develop.
  • Pay close attention to how you are feeling and how long it has been since you have had a drink of water. The general theory is to drink half of your weight in ounces per day, ie: If your weight is100 pounds, drink 50 Oz. of water per day. But I have refrained from saying drink “X” ounces of water a day because all of our fluid intake doesn’t come from water so it’s hard to quantify amounts. Activity, illness and weather may increase need.
  • Pay attention to the urinary output of little children and babies. A dry diaper for a longer period than usual is a good indicator that they are dehydrated. Act quickly.
  • Think of alternate ways to increase fluid intake: fruits, vegetables, infusions, herbal teas, etc.
  • Consider your water storage. The bare survival minimum recommendation to have on hand is one gallon per day per adult. Nursing mothers need more. We are not talking about long-term water bricks and barrels and other massive methods here, that could be another article….just basic survival amounts.
  • Do you have a travel filtration system: Life Straw, Sawyer Filter or other filtration system that you know how to use?
  • Have the basic rehydration solutions ready and available at a moment’s notice. It can mean the difference between life and death if you have no way to get medical help and know when and how to use them. It might be helpful to keep a copy of these hydration recipes handy and/or have the Gatorade and Pedialyte in your pantry.

Share with other readers what hydration solutions you use. Are you likely to try the Mylar water pouch hack? Do you have something to add that might be helpful?

Blessings, Donna

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24 Responses to “DIY Emergency Water Pouches: Taking Care of Dehydration”

  1. It helps to form the bags leaving one of the short sides open.
    Then filling the bag with the water…then stand in the freezer.
    THEN seal the last side.
    This is similar to the method I use to vacuum seal soups.
    After I seal the bags, I boil them to to be more sure that the contents are clean and sterile.
    I say “more sure” because even then we are not absolutely certain.
    This method is intended for trips and backpacks…not for long term storage.
    We have been doing this for many years and have never suffered any ill effects from it.

    • Thanks for your comments and sharing your sealing method Vocalpatriot. I’m not sure which type of Mylar you are using but here is something you might want to consider, if you are boiling the Mylar bags. This is from a Mylar booklet by DuPont Teijin Films: “Vinylidene chloride copolymers are highly resistant to oxidation and biodegradation, which make them extremely durable under ambient conditions. When heated above 120°C (248°F), the copolymers may decompose and evolve into hydrogen chloride. Hydrogen chloride in it’s aqueous form includes chlorohydric acid, hydrochloric acid, and muriatic acid. The CDC says that, “ingestion of concentrated hydrochloric acid can cause severe corrosive injury to the lips, mouth, throat, esophagus, and stomach.” Further the CDC states, “All Mylar made and sold for food packaging complies with FDA — Polymer coated films are restricted to use below 120°C (250°F), but uncoated PET films are specifically cleared for use in oven cooking or baking at temperatures above 120°C (250°F). So although the boiling point is 212 degrees F., and it’s still under the FDA recommendations it might be a bit safer to boil the water, then allow it too cool before pouring it into the Mylar bags and sealing. My reasoning is this. Test criteria and recommendations often change over time. As a former medical researcher I have observed the evolution of standards and testing which can eventually change official recommendations. So for all of that I’d just want to remain on the safe side and boil, cool and seal. We use reverse osmosis water without boiling and the tests, so far, have not shown any degradation from baseline over 5 years. Again, thank you for sharing. We all learn from one another.

  2. Thanks for the information. What other fruit can be used in the smoothie? We have several family members that are severely allergic to strawberries. Once again thanks for the information.

    • Mildred, you can substitute the strawberries with any fruit you like. It’s all up to your preferences! Since summer is coming and fresh fruits will be abundant you’ll have a great variety just waiting to be made into a tasty smoothie.

  3. Chapped lips are often the first easily visible sign of dehydration.

    You also need to add potassium chloride. (you can buy it as ‘salt substitute.’)

    From WHO:
    Drink mg Na+ mg K+ Contains Osmolality*

    per 8oz. per 8oz. Carbs? mOsm/kg
    WHO ORS packets 413 mg 188 mg Yes 245
    Homemade ORS 414 mg ~300 Yes ~320
    (depends on salt substitute used)
    CeraLyte® 50 275 mg 188 mg Yes <225
    CeraLyte® 70 386 mg 188 mg Yes <235
    CeraLyte® 90 496 mg 188 mg Yes <260
    Pedialyte® 244 mg 184 mg Yes 250-270
    Gatorade® 110-120 mg 30-45 mg Yes 365
    Propel®Zero 80 mg 20 mg No unknown
    Clif Shot® electrolyte drink 180-200 mg 50 mg Yes unknown
    NUUN Active Hydration Tablets 180 mg 50 mg No Unknown, but per the NUUN website, this product is hypotonic, or <285

    (per ½ tablet, dissolved in 8 oz water) (per ½ tablet, dissolved in 8 oz water)
    Sorry, pretty difficult to load a readable table into a comments box.

    Some others:
    Homemade Oral Rehydration Solution
    • 2 level Tablespoons (TBSP) of sugar
    • ½ level teaspoon (tsp) of salt (sodium chloride)
    • ½ level teaspoon (tsp) of salt substitute (potassium chloride)
    • ½ level teaspoon (tsp) of baking soda, dissolved into
    • 4¼ cups (1 liter) of clean water
    • You can also add sugar-free Crystal Light (I prefer lemonade flavor) or other sugar-free powdered beverage mix to improve taste.
    In simple terms, Oral Rehydration Therapy involves gradually drinking water with several key substances added, most importantly sugar and salt. The WHO and UNICEF have developed a very specific formula for Oral Rehydration Salts, which are distributed in packets in developing nations and mixed with clean water. Here’s the official formula:
    • 2.6 grams of salt
    • 2.9 grams of trisodium citrate dihydrate
    • 1.5 grams potassium chloride
    • 13.5 grams anhydrous glucose (a sugar)
    • 1 liter of clean water
    Easy mode:

    • ¼ tsp real salt
    • ¼ tsp no salt (potassium chloride)
    • ¼ tsp baking soda
    • 2 ½ tsp sugar
    Mix into 4 cups of water

    • Mark, Thanks for your additional information about dehydration and thanks for reading and taking part in the discussion!

  4. Really like this and other articles you give us. BUT, I can not figure out how to print the articles I want to save for reference off line if SHTF. PLEASE make them easy to print like they used to be. PLEASE

    • Darrel,
      I think you can highlight the article, copy then paste into WORD and print it out. I hope that works for you. If it doesn’t perhaps someone else has a suggestion!
      I’m so happy that you enjoy the articles. I enjoy writing and sharing them.

    • You can use a small program ” Save to pdf “.
      It adds to your Right Click menu. Select PRINT, then choose “save as pdf” as your printer. It is that easy.

      I use it often to save articles. You can edit it to leave off the comments at the end, picking what pages you want to “print”.

  5. Great post, Donna! I would never have thought to make my own mylar water pouches! While I know it is highly processed and has a lot of sugar, we also keep Tang on hand for illnesses and emergencies.

  6. since all the ingredients to add to the water are dry – you can make premade packets to be added to a 1 liter bottle of water. This would be a good item to make using a vacuum packer. You could add the flavor packet in as well (I like peach ice tea mix). It would probably be best to find a flavor packet that the kids will drink more that adults.

    • oldguy, what a clever idea to make individual electrolyte packets! So quick and easy. Love it! Thanks for your helpful suggestion.

  7. Great article! I hadn’t thought of making water pouches from mylar bags. Thanks for posting that wonderful idea and all the details on how to make and seal them! The strawberry smoothie elecrolyte replacement drink recipe sounds yummy. I’ll have to try it this summer 🙂 As far as a rehydration drink formula goes, I have used the one mentioned by Mark in his comment above (the one with salt, sugar, baking soda and Potassium chloride) for several years now, with my doctor’s approval, with good results. It has been very effective in helping me keep my electrolytes in balance.

  8. Hi Grammyprepper, If you decide to give the Mylar pouches a try I’d like to know how it works for you. Thanks for sharing your Tang prep. Even though Tang is missing several key electrolyte ingredients it will at least make water more acceptable to children when nothing else is readily available..and it’s easy to store!
    I’m a “Grammy” too! Isn’t it fun!

  9. Hi Zabeth, Thanks for sharing that your doctor approves of Mark’s electrolyte formula. You’re pretty safe using World Health Organization recipes since they have been tested in lab and field tested around the world in crisis famine and drought situations. Thanks for taking the time to share your insights with everyone here….much appreciated.

  10. It would be great to know the name of the machine you were storing for a friend.
    There are so many it’s difficult to decide. Thanks
    I have tried the iron method but it seems you need to have a rough texture to help it stay.
    And i haven’t figured that part out yet

  11. I dont have an abundant supply of mylar bags and wonder if the bags that can be purchased to use with the Food Saver sealing machine would be useful? I use my machine and both their name brand bags as well as aftermarket bags for sealing foods to seal and freeze.
    Those bags aren’t mirrored in construction but are clear on one side and opaque on the opposite side. They can be cut to different sizes to customize for the contents and a HECK for strong and not easily breached.
    If light is an issue for water storage, the baggies can always be stored in a cardboard box or BPA Free bucket, sealed and stored in a cool and dark environment.
    Whether sealing actual water or the powders for a custom hydration formula, those bags are FAR less expensive than the OTC stuff you pay for in the store and cost driven upwards due to the printing on the packaging.
    Just another suggestion or two.

    • Hi Huggy, If you plan on storing the bagged water for more than a year or so, I’d recommend you use the Mylar bags even though they’re more pricey. In addition to the problem of letting in light, a Food Saver bag, since it’s made of a clear, non-metallized plastic, will eventually allow some of the water stored inside it to evaporate and pass through (and thus, out of) the bag. That can also happen with water stored in plastic bottles. So, I would recommend either using Mylar bags or glass canning jars for longer-term DIY water storage.

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