Full Moon Ritual: Moon Water
Every full moon, I fill a mason jar with water and set it outside before I go to bed. It's a small thing. It takes two minutes. But over the years, it has become one of my favorite ways to mark the month, a time for reflection and release.
I call it moon water. If you have spent any time in ritual spaces or circles, you have probably heard the term too. It sounds mystical, but the practice itself is simple. You do not need an elaborate altar or a free afternoon. You need a clean container, some water, and about two minutes before bed.
What Is Moon Water?
Moon water is water left out under the moon, usually overnight, to hold an intention you set for it. In ritual tradition, it's believed to carry the moon's energy. Water rituals tied to the moon's cycles show up across many different cultures and healing traditions, long before anyone called it “moon water.”
I want to be honest with you here, because it matters to me. There is no clinical research showing moonlight changes water in any measurable way. This is folk practice, not science, and I am not going to tell you otherwise. What I can tell you is what it does for me. It gives me a small, repeatable ritual to mark the full moon, pause, and choose what I want to release. For those of us drawn to breathwork and energy work, it is another way to mark a rhythm in our body and our month.
Why the Full Moon?
The full moon represents culmination. Whatever started at the new moon has had a chance to build, and now it has reached its peak. In ritual tradition, this is considered the best time for cleansing, gratitude, and letting go of habits or patterns that no longer serve you.
This is why I make moon water on the full moon instead of any other night. I am not just filling a jar with water. I am using the moon as a marker, a monthly check-in point. What am I ready to release? What have I been carrying that I can finally set down?
For many of the women I work with, the full moon becomes a kind of monthly permission slip. Permission to stop, notice what has built up over the past few weeks, and consciously let some of it go, rather than letting it pile up unexamined. The water becomes a container for that intention, something you can hold, use, and return to over the following weeks.
You do not need a big life event to make this practice worthwhile. Some months my intention is as simple as “rest more.” Other months it is something I have been carrying for a while and finally feel ready to name out loud. Either way, the jar holds it. That is enough.
What You'll Need
A clean container. I use a mason jar, but any clean glass jar works.
A way to clear it. I pass a sage leaf around mine before I fill it, but you can use whatever feels right to you: palo santo, a simple rinse, or nothing at all. This is your ritual, so trust what feels right in your own hands.
Filtered or purified water, especially if you plan to drink it or cook with it later.
How I Make Moon Water
I fill my container with filtered or purified water.
I hold it for a moment and set an intention. Sometimes it is one word, like “release” or “rest.” Sometimes it is a full sentence. There is no wrong way to do this.
I place it outside, or on a windowsill if I need to, where it can sit under the moonlight overnight.
I try to bring it in before the sun rises. I do not stress if I miss it by an hour. Intention matters more than precision here.
What I Do With Moon Water
Once I bring my moon water inside, I use it a few different ways depending on what I need that month.
I drink it straight, first thing in the morning, as a small ritual to start the day.
I steep tea with it, which turns an ordinary cup into something more intentional.
I place it on my altar as a quiet reminder of what I am working on.
I add a few drops to my cleansing sprays for an extra layer of intention.
I pour it into my bath water for a slower, more immersive release.
I water my plants with it, which feels like closing the loop back into growth.
I use it in my simmer pots on the stove, adding spices and herbs and letting the aromas fill the home.
Weaving Moon Water into My Practice
Moon water is not something I was formally taught within a lineage or tradition. It is something I have woven into my own practice over time, alongside the shamanic elements I bring into my work. I have found the simplest rituals, the ones you can do alone in your kitchen with a jar and a few minutes, often do the most to keep you connected to your own rhythm.
If you have tried my full moon salt cleansing ritual or my full moon burn ritual, moon water pairs naturally with either one. I will sometimes use my moon water to dampen the salt before a cleansing, or keep a jar nearby while I burn what I am ready to release. None of these practices need to stand alone. Together, they build a simple monthly rhythm you can return to, one small ritual layered onto another until the whole month has a shape to it.
Making It Part of a Larger Practice
Moon water is one of the smallest rituals I keep, and exactly why I keep coming back to it. It does not ask much of me. A jar, some water, a few minutes of quiet before bed. But it marks time in a way that matters. Each full moon becomes a chance to check in with myself, notice what I am carrying, and choose what to release before the next cycle begins.
If you already have a breathwork or Reiki practice, moon water is an easy addition, not a replacement for anything. It is simply one more small container for intention, one more way to notice the month passing and choose, on purpose, what you want to carry into the next one.
Common Questions
Can I drink moon water?
Yes. As long as you started with filtered or purified water, it is fine to drink.
Does moon water need to be covered?
It t is a personal preference. I usually keep mine covered, since it’s out on my back deck in the elements with critters and such. Either way, covering it does not take anything away from the ritual.
What if it is cloudy or rainy on the full moon?
I bring it inside and set it on a windowsill instead. What matters most is your intention, not a clear sky.
Can I make moon water on a night other than the exact full moon?
Yes. The day before or the day after both work well. I find it most powerful on the night of the full moon itself, but do not let a busy week stop you from doing this the next night instead.
How long does moon water last?
Stored in a sealed container in a cool, dry place, it will keep for months, sometimes longer.. I would not drink water stored for so long, but it still works beautifully for baths, sprays, simmer pots, and watering plants.
Can I use tap water instead of filtered water?
Filtered is best, especially if you plan to drink it. But if filtered water is not what you have on hand, use what you have. Intention is everything here.
When should I not make moon water?
I avoid making moon water during eclipses. Many ritual traditions consider eclipse energy less predictable, and it is a night I choose to rest instead.
Ready to Go Deeper?
A jar of moon water is a small ritual you can start tonight. But if you are craving something deeper, something held with more space and support, that is exactly what I am here for.
Book a discovery call and we will talk about whether private sessions or a group healing circle is the right next step for you.
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Trish D. Brewer is a certified trauma-informed Breathwork Coach and Usui/Holy Fire® III Reiki Master Teacher. She helps people committed to real, lasting change release stored stress, move through old patterns, and reconnect with themselves. She came to this work through her own body, not just a textbook. A medical emergency pushed her to stop putting her own healing last, and this experience shapes how she works with every client today. She is the co-author of Hot Mess to Hot Mom, We Lead Volume 2 and Volume 3, and 100 Poems and Possibilities for Healing, Volume 2.
