How to Make Normal Saline Solution at Homeに取り組みたい方へ、役立つ ガイドラインをお届けします。

Now you wait. Stir until the salt dissolves completely—no grains should be visible, like a magic trick where the salt just gives up. Let the water cool down to body temperature. Test it on the inside of your wrist, like you’re checking a baby bottle. If it burns, it’s too hot. If it feels like bathwater on a lazy Sunday, you’re golden.

Pour it into a clean glass jar or bottle—preferably one that didn’t previously hold pickles or old spaghetti sauce. I once used a mason jar that smelled faintly of salsa, and my sinuses were not amused. Sterilize the container by rinsing it with boiling water first. Your nose deserves a clean home.