How to Make Normal Saline

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Another name for this solution is sodium chloride (0.9%).

What supplies do I need?

  • Tap water
  • Salt (non-iodized salt)
  • Baking measuring tool with teaspoon sizes
  • Measuring tool for fluids up to 1000ml (1 liter)
  • Pot with lid
  • Stovetop or hot plate
  • Air-tight storage container

How do I start? 

Mix the solution

It is very important that you follow this exact recipe when you mix the solution:

  • 1 liter (1,000 milliliters) of tap water at room temperature
  • 1 ½ level teaspoons of non-iodized salt 

Important information:

  • Putting too much salt in the water of an enema can cause serious health problems, such as seizures and coma.
  • To avoid these risks, you should always measure your salt with a measuring spoon - do not try to "eyeball" or estimate the amount.
  • Boil the solution.
  • To keep the water from evaporating, place the lid on the pot.
  • Bring the solution to a rolling boil - this means large bubbles are coming up constantly.
  • Turn the heat off and let the solution cool to room temperature with the lid on the pot. 

How do I keep saline?

Once the boiled saline has cooled off, please store the saline in a clean air-tight container.

To prevent bacterial growth, keep unused saline in the refrigerator for up to 2 days and then throw it out and make more.