How to Make a Saline Solution

Saline solution is handy for tasks like cleaning piercings or irrigating your sinuses, but it can get inconvenient to go out and buy more every time you run out. How can you make an effective solution at home? “Normal” saline is about 0.9% salt and is a breeze to make yourself—all you need is boiled or distilled water and non-iodized salt.^[1] We’ve put together a step-by-step guide to making a 0.9% solution, including slight variations in the recipe to target your sinuses, piercings, or mouth. Read on to get started!

[Edit]Things You Should Know

• Boil your saline container and mixing utensil for 10 minutes or run them through a full dishwasher cycle to sterilize them.
• Mix 2 teaspoons (8.4 g) of non-iodized salt in 4 cups (0.95 L) of distilled or boiled water. Wait until the solution is room temperature to use.
• Use homemade saline to clean wounds and piercings, irrigate your sinuses, rinse your mouth, or clean out your ears.

[Edit]Steps

[Edit]Making Saline at Home

1. Wash your hands and sterilize your mixing equipment. Gather a pot to boil water in, a container with an airtight lid, and a mixing utensil. Give them a quick hand wash to get rid of any spots, then run them through a full cycle in the dishwasher or boil them for 10 minutes.^[2]
   
   • Use stainless steel pots and stirring utensils to prepare your saline—they’re safe to boil and easy to sterilize.
   • Try plastic containers or glass mason jars for storage containers. Make sure to add glass to your water before it’s boiling to prevent cracking or shattering.
   • Make sure your equipment is dishwasher-safe or safe to be boiled before sterilizing. Aluminum cans or paper cartons will melt or fall apart, for example.
   • Boiling water kills germs and bacteria on your equipment that might contaminate your sterile saline solution.
2. Boil 4 cups (0.95 L) of tap water in your sterilized pot for 5 minutes. Add water to the pot directly from the tap or with a sterilized measuring cup. Once boiling, let the water roll and bubble for at least 5 minutes to eliminate bacteria. Turn off the heat and let the water cool to lukewarm.^[3]
   
   
   • Alternatively, use or purchase distilled water to skip the boiling process.
   • If you’re in a hurry, microwave the water in a covered container for 2 minutes until it’s boiling or almost boiling.
   • Plan to use the water quickly after boiling. If it sits too long, it will collect bacteria again.^[4]
   • Avoid using well water or sea water, since these contain more particles and germs than you get from your tap.
3. Stir in 2 teaspoons (8.4 g) of non-iodized salt until it’s dissolved. Regular table salt grains are small enough to dissolve easily in hot water. If you’re using sea salt, opt for small grains or flakes rather than large crystals. Stir while the water is still lukewarm to help the salt dissolve.^[5]
   
   
   • If you’re making saline for oral swishing, add 4 teaspoons (16.7 g) of salt and 8 teaspoons (33.5 g) of baking soda (the baking soda makes the solution less abrasive).^[6]
   • For nasal irrigation, add 3 teaspoons (12.6 g) of salt and 1 teaspoon (4.2 g) of baking soda.^[7]
   • To clean piercings, add 1 teaspoon (4.2 g) of salt (super salty saline may irritate the piercing more than it helps).^[8]
4. Wait until the solution is room temperature to use it. This keeps you from burning or irritating your skin, wounds, or orifices.^[9] To transfer the saline to a syringe or irrigating tool, pour it directly from the pot into a clean paper cup, then dip your syringe into the cup.^[10]
   
   
   • Avoid dipping non-sterilized tools or utensils directly into the solution.
5. Store extra saline in an airtight container for 3 days at room temperature. Pour leftover solution into a tightly covered glass or plastic container and label it with the date.^[11] After 3 days, dump any remaining solution, re-sterilize the container, and make a new batch if needed.^[12]
   
   

[Edit]Using Homemade Saline

1. Clean wounds with a gauze pad dipped in saline. Put on disposable gloves and place a towel underneath the wound. Dab the wound in a circular motion, working outward from the center to prevent germs spreading inward. Use multiple pads if needed to remove all debris and draining liquids.^[13]
   
   
   • Pat the wound with a clean, dry cloth to dry it.
   • Throw away your gloves and saline-soaked gauze after cleaning.
   • Apply a new dressing to the wound if necessary.
2. Irrigate your sinuses with a neti pot or soft rubber ear bulb syringe. Draw of saline into the bulb or syringe. Lower your head over a sink (or in the shower) and rotate to the left so your right nostril is raised. Squeeze half the solution into your right nostril and wait a few seconds for it to come out of your left.^[14]
   
   
   • Repeat this process through the other nostril.
   • Breathe through your mouth while the saline runs from one nostril to the other.
   • Blow your nose gently to keep the saline from running into your ears. If it does, it’s OK—the mild discomfort will go away after a few minutes.
   • Irrigate at least 30 minutes before applying any other nasal medication.
3. Clear out earwax with a cotton ball dipped in saline. Tilt your head to one side and drip saline into your ear from the soaked cotton ball. Let the solution sit for a few minutes, then tilt your head the opposite way to drain it out. Repeat in the other ear.^[15]
   
   
   • Alternatively, add saline to your ears with a small syringe.^[16]
4. Swish saline in your mouth for 30 seconds to relieve oral pain. Simply rinse a mouthful of solution around your teeth and gums 2-3 times per day, then spit it out. The saline acts as an antiseptic to kill bacteria and speeds up healing for oral wounds and sores.^[17]
   
   
   • Also try gargling saline to soothe a sore throat.
   • Homemade saline is non-toxic if you accidentally swallow it.
5. Soak piercings for 5-10 minutes daily to clean and disinfect them. Pour saline into a small cup or shot glass and invert it over your piercing to form a vacuum. If the location makes this too difficult, use a cotton pad or paper towel that’s dipped in saline to clean the piercing site or add your saline to a spray bottle.^[18]
   
   
   • Dry the piercing gently with clean paper towels.
   • Avoid using cloth towels since they contain more bacteria (and are more likely to give you an infection).

[Edit]Video

[Edit]Tips

• Only dip sterilized utensils, syringes, or irrigation tools into your batch of saline.^[19]
• Use less salt in your next batch if you experience burning or stinging with a 0.9% salt solution.^[20]

[Edit]Warnings

• Do not use homemade saline solution to rinse your eyes or to clean your contact lenses since it can contain harmful germs. Always use store bought saline.^[21]
• Do not use homemade saline in a nebulizer. If needed, opt for store bought, sterile saline instead.^[22]

[Edit]Things You’ll Need

• Large pot
• Airtight glass or plastic container
• Mixing utensil
• Non-iodized table salt or fine sea salt
• Distilled or boiled water
• Baking soda (optional)

[Edit]Related wikiHows

• Make Phosphate Buffered Saline
• Unclog the Inner Ear or Eustachian Tube
• Use a Neti Pot
• Alleviate Nasal Congestion

[Edit]References

[Edit]Quick Summary

1. ↑ https://intermountainhealthcare.org/ckr-ext/Dcmnt?ncid=520684503
2. ↑ https://www.phoenixchildrens.org/files/inline-files/How-To-Make-Sterile-Water-and-Sterile-Saline-861.pdf
3. ↑ https://intermountainhealthcare.org/ckr-ext/Dcmnt?ncid=520684503
4. ↑ https://www.phoenixchildrens.org/files/inline-files/How-To-Make-Sterile-Water-and-Sterile-Saline-861.pdf
5. ↑ https://www.phoenixchildrens.org/files/inline-files/How-To-Make-Sterile-Water-and-Sterile-Saline-861.pdf
6. ↑ https://www.ianbelldds.com/p/BLOG-26443-2016.2.17-Make-Your-Own-Oral-Saline-Solution-p.asp
7. ↑ https://www.aaaai.org/tools-for-the-public/conditions-library/allergies/saline-sinus-rinse-recipe
8. ↑ https://authoritytattoo.com/saline-solution-for-piercings/
9. ↑ https://intermountainhealthcare.org/ckr-ext/Dcmnt?ncid=520684503
10. ↑ https://www.phoenixchildrens.org/files/inline-files/How-To-Make-Sterile-Water-and-Sterile-Saline-861.pdf
11. ↑ https://intermountainhealthcare.org/ckr-ext/Dcmnt?ncid=520684503
12. ↑ https://www.phoenixchildrens.org/files/inline-files/How-To-Make-Sterile-Water-and-Sterile-Saline-861.pdf
13. ↑ https://intermountainhealthcare.org/ckr-ext/Dcmnt?ncid=520684503
14. ↑ https://blogs.bcm.edu/2014/08/20/saline-irrigation-offers-natural-option-for-sinus-infection-allergy-relief/
15. ↑ https://totalhearingcarellc.com/blog/4-tips-to-clean-your-ears
16. ↑ https://my.clevelandclinic.org/health/diseases/14428-ear-wax-buildup--blockage
17. ↑ https://www.ianbelldds.com/p/BLOG-26443-2016.2.17-Make-Your-Own-Oral-Saline-Solution-p.asp
18. ↑ https://authoritytattoo.com/saline-solution-for-piercings/
19. ↑ https://www.phoenixchildrens.org/files/inline-files/How-To-Make-Sterile-Water-and-Sterile-Saline-861.pdf
20. ↑ https://www.aaaai.org/tools-for-the-public/conditions-library/allergies/saline-sinus-rinse-recipe
21. ↑ https://www.aao.org/eye-health/diseases/contact-lens-related-eye-infections
22. ↑ https://www.drugs.com/cg/how-to-use-a-nebulizer.html

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