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STRAIGHT FROM THE SOURCE

Deep Ocean Magnesium From Hawaiʻi

Our magnesium begins with deep ocean water drawn from 2,200 feet below the Pacific at the Kona Salt Farm in Hawaiʻi. Through slow solar evaporation, we harvest our Hawaiian sea salt while naturally concentrating the magnesium chloride and other ocean minerals that remain. The result is pure liquid Deep Ocean Magnesium—made and bottled at the source, with no synthetic magnesium added.

DEEP OCEAN MAGNESIUM EXPLAINED

What Is Deep Ocean Magnesium?

Deep Ocean Magnesium is a concentrated mineral solution derived from deep ocean water and naturally rich in magnesium chloride, a form of magnesium found in seawater. At Kona Salt Farm, it is created as part of our traditional salt-making process rather than as an isolated manufactured ingredient. We slowly concentrate deep ocean water through solar evaporation. As sodium chloride forms salt crystals, much of the magnesium remains dissolved in the concentrated mineral-rich liquid. We use this deep ocean mineral concentrate to create magnesium drops, topical magnesium mist products and mineral bath soaks.

TRACEABLE MAGNESIUM FROM HAWAIʻI

Magnesium From a Source You Can Trace

There are hundreds of magnesium products to choose from, but relatively few allow you to trace their story all the way back to the source. Ours begins 2,200 feet below the Pacific Ocean. That deep ocean water is brought ashore on the Kona Coast of Hawaiʻi Island and slowly concentrated under the Hawaiian sun. As the salt crystallizes, it is harvested by hand. The magnesium-rich mineral solution that remains becomes our Deep Ocean Magnesium.

NATURAL SOLAR CONCENTRATION

Deep Ocean Water, Concentrated Naturally

Deep Ocean Magnesium is a concentrated mineral solution derived from deep ocean water and naturally rich in magnesium chloride, a form of magnesium found in seawater. At our Kona Salt Farm, it is created through our traditional salt-making process rather than as an isolated manufactured ingredient. As Pure Kona Sea Salt crystallizes, magnesium remains concentrated in the mineral-rich liquid left behind. You can actually visit the working salt farm where it comes from.

DRAWN

From the Deep Pacific

At the Kona Salt Farm on Hawaiʻi Island, our Deep Ocean Magnesium begins with deep ocean water drawn from 2,200 feet below the surface of the Pacific Ocean off the Kona Coast at our site at the Hawaii Ocean Science Technology Park. HOST PARK is a place unique in the world, it has a set of three Deep Ocean Water Pipelines that give us access to this amazing source.

CONCENTRATED

By the Kona Sun

Cold, dark, and isolated from the surface for centuries, this remarkable water is the same water we use to make our Pure Kona Sea Salt. As the water slowly evaporates under the Kona sun and salt crystals form, magnesium and other highly soluble minerals remain concentrated in the liquid that is left behind.

RETAINED

As Mineral-Rich Liquid

Highly soluble magnesium chloride remains concentrated after the salt crystallizes. That mineral-rich solution is the foundation of our Deep Ocean Magnesium products.

2,200 FEET

Depth of our Pacific source water

5–8 WEEKS

Slow solar crystallization

1 SOURCE, 3 PRODUCTS

Deep Ocean Water gives us Kona Sea Salt, Kona Pure Electrolytes and Deep Ocean Magnesium

DEEP PACIFIC OCEAN SOURCE

Where Does Kona Deep Ocean Magnesium Come From?

Our magnesium begins in the Pacific Ocean off the Kona Coast of Hawaiʻi Island. Deep ocean water is brought to shore from approximately 2,200 feet below the surface, where sunlight does not reach and the water remains naturally cold. Deep ocean water is part of the planet's vast system of ocean circulation. Water masses move through the deep ocean over extremely long periods of time, isolated from the surface for centuries. This unusual natural resource is one reason Hawaiʻi Island has become an important location for deep ocean research, aquaculture, food production and other innovative uses of deep seawater. For us, it is the starting point for both our salt and our magnesium.

What Does Magnesium Do in the Body?

Magnesium is an essential mineral that the body needs for normal health and function.

It participates in hundreds of biochemical reactions and plays important roles throughout the body, including:

Muscle Function

Muscle Function

Magnesium contributes to normal muscle contraction and relaxation.

Nervous System Function

Nervous System Function

Magnesium is involved in normal nerve signaling and neuromuscular function.

Energy Metabolism

Energy Metabolism

The body requires magnesium for many of the reactions involved in producing and using energy.

Electrolyte Balance

Electrolyte Balance

Magnesium is an important electrolyte alongside sodium, potassium, calcium and chloride.

Bone Health

Bone Health

A significant amount of the body’s magnesium is stored in bone, where it contributes to normal bone structure and function.

These fundamental roles help explain why magnesium has become an important topic in nutrition, hydration, exercise, relaxation and sleep.

MAGNESIUM FOR RELAXATION + SLEEP

Does Magnesium Support Relaxation, Stress Regulation, and Sleep?

Yes. Magnesium supports normal muscle relaxation and nervous-system function and plays a role in the body’s stress-response pathways. It is also involved in processes that help regulate the sleep-wake cycle, including pathways related to GABA and melatonin, which may help support relaxation and healthy sleep.
READ NATURAL SLEEPMAXXING: A SIMPLER WAY TO SLEEP BETTER

WAYS TO USE MAGNESIUM

How Can Deep Ocean Magnesium Be Used?

One advantage of magnesium chloride is its versatility. Our deep ocean mineral concentrate can be used in several different formats.
Deep Ocean Magnesium drops from Kona Hawaii

Deep Ocean Magnesium Water Drops

Our concentrated liquid magnesium drops are designed to be diluted in drinking water, providing a simple way to incorporate magnesium into a daily routine.

$11.95
Deep Ocean Magnesium Mist Spray

Deep Ocean Magnesium Mist

Magnesium chloride can also be formulated for topical use. Our Magnesium Mist can be sprayed directly onto the skin or bottom of your feet and is popular as part of stretching, recovery, relaxation and bedtime routines.

$17.95
Calming Mineral Magnesium Spa Bath Soak

Calm Mineral Spa Bath

Deep Ocean Magnesium can also be enjoyed in a warm mineral bath, a simple ritual for relaxation at the end of the day.

$7.85
Pure Hawaiian Kona Sea Salt Nigari

Deep Ocean Nigari for Traditional Tofu Making

Our Deep Ocean Nigari can be used as a traditional tofu coagulant. Its naturally occurring magnesium chloride helps soy milk form curds for making fresh tofu.

$24.95

Why Is Kona Deep Ocean Magnesium Different?

There are many magnesium products available today. What makes ours different begins with its origin and how it is produced.
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The rating of this product for "" is 4.

It Comes From Deep Pacific Ocean Water

Our source water is drawn from 2,200 feet below the ocean's surface off the Kona Coast rather than from surface seawater.

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Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 4.

The Magnesium Occurs Naturally in the Seawater

We aren't starting with purified water and simply adding a manufactured magnesium ingredient. Magnesium is naturally present in our source water.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 4.

It Is Concentrated Through Salt Making

Our magnesium-rich solution is created as we slowly concentrate deep ocean water and harvest the sodium chloride crystals that become Kona Sea Salt.

Two people standing by salt drying, with the tour guide holding salt in their hand.
Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 4.

We Use Solar Evaporation

Kona's sunshine does much of the work. Our sea salt crystallizes gradually and naturally over approximately five to eight weeks rather than through forced rapid industrial boiling.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 4.

It Contains Naturally Occurring Ocean Minerals

In addition to magnesium chloride, the concentrated solution retains other naturally occurring minerals from its seawater source.

Two hands holding pure Konan Hawaiian sea salt
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Rating of 5 means .
The rating of this product for "" is 2.

It Is Made at a Working Salt Farm in Hawaiʻi

Our Deep Ocean Magnesium isn't simply a magnesium product carrying a Hawaiʻi name. It is produced from deep ocean water at our working salt farm on Hawaiʻi Island.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 3.

You Can Visit the Source

This may be our favorite difference.

You can come to Kona Salt Farm, see our salt-making operation, learn about deep ocean water, walk beside the solar evaporation tunnels and see where the process happens.

Few wellness products allow you to visit the actual source of their primary ingredient. Ours does.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 4.

It Comes From Deep Pacific Ocean Water

Our source water is drawn from 2,200 feet below the ocean's surface off the Kona Coast rather than from surface seawater.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 4.

The Magnesium Occurs Naturally in the Seawater

We aren't starting with purified water and simply adding a manufactured magnesium ingredient. Magnesium is naturally present in our source water.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 4.

It Is Concentrated Through Salt Making

Our magnesium-rich solution is created as we slowly concentrate deep ocean water and harvest the sodium chloride crystals that become Kona Sea Salt.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 4.

We Use Solar Evaporation

Kona's sunshine does much of the work. Our sea salt crystallizes gradually and naturally over approximately five to eight weeks rather than through forced rapid industrial boiling.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 4.

It Contains Naturally Occurring Ocean Minerals

In addition to magnesium chloride, the concentrated solution retains other naturally occurring minerals from its seawater source.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 2.

It Is Made at a Working Salt Farm in Hawaiʻi

Our Deep Ocean Magnesium isn't simply a magnesium product carrying a Hawaiʻi name. It is produced from deep ocean water at our working salt farm on Hawaiʻi Island.

Rating of 1 means .
Rating of 5 means .
The rating of this product for "" is 3.

You Can Visit the Source

This may be our favorite difference.

You can come to Kona Salt Farm, see our salt-making operation, learn about deep ocean water, walk beside the solar evaporation tunnels and see where the process happens.

Few wellness products allow you to visit the actual source of their primary ingredient. Ours does.

Magnesium Products on Lava

ABOUT MAGNESIUM CHLORIDE

What Is Magnesium Chloride?

Magnesium chloride is a compound of magnesium and chloride and is one of the forms in which magnesium occurs naturally in seawater. Magnesium supplements are available in several forms, including magnesium chloride, magnesium glycinate, magnesium citrate and magnesium oxide. The difference is what the magnesium is bound to. These forms can differ in elemental magnesium content, solubility, formulation and how they are used. Kona Deep Ocean Magnesium is predominantly magnesium chloride naturally derived from seawater.

MAGNESIUM FORMS COMPARED

Magnesium Chloride vs. Other Forms of Magnesium

There isn't one form of magnesium that is automatically best for everyone.

Magnesium glycinate, citrate, oxide and chloride each have different characteristics and uses. The right choice can depend on why you are taking magnesium, your preferred format, the amount of elemental magnesium you need and how your body tolerates it.

Deep Pacific Ocean water at the Kona Salt Farm

Absorbency of Magnesium Chloride

Magnesium chloride is considered a well-absorbed form of magnesium, with research generally showing better bioavailability than less-soluble forms such as magnesium oxide.

What distinguishes Kona Deep Ocean Magnesium isn't simply the word "chloride."

It's the source.

Our magnesium chloride originates in deep Pacific Ocean water and is concentrated through the same solar evaporation process we use to make sea salt at our working farm in Kona.

Magnesium forms compared

Magnesium Chloride vs. Glycinate, Citrate and Oxide

Compare the different forms of magnesium at a glance.

Glycinate

Capsule/powder
Typical use
Gentle daily support
Source
Magnesium bisglycinate
Added ingredients
May include capsule or powder base

Citrate

Capsule/powder
Typical use
Occasional supplementation
Source
Magnesium citrate
Added ingredients
May include capsule or powder base

Oxide

Capsule
Typical use
Basic mineral supplementation
Source
Magnesium oxide
Added ingredients
May include capsule base

HOW MAGNESIUM CHLORIDE IS MADE

How Is Deep Ocean Magnesium Made?

The easiest way to understand Deep Ocean Magnesium is to understand how we make salt. At Kona Salt Farm, deep ocean water is placed in covered solar evaporation tunnels, where Kona's sunshine gradually evaporates the water. Depending on the season, our salt typically takes approximately five to eight weeks to crystallize. As the water becomes increasingly concentrated, sodium chloride begins forming the beautiful white crystals that become Pure Kona Sea Salt. But seawater contains more than sodium chloride. Magnesium chloride is highly soluble, so much of the magnesium remains in the concentrated liquid after sodium chloride begins crystallizing. Our salt makers harvest the salt crystals and retain this magnesium-rich mineral solution.
Aearial Image of the Salt Farm

THE KONA SALT FARM SOURCE

See Where Your Product Actually Comes From

For people who use our salt and magnesium products, visiting the farm offers something increasingly uncommon: The opportunity to see where your product actually comes from. Find more details below.
DISCOVER OUR SALT FARM

Deep Ocean Magnesium FAQ

Kona Salt Farm

VISIT KONA SALT FARM

See Where Your Magnesium Begins

Kona Salt Farm is a working sea salt farm located on a seven-acre oceanfront property at Keāhole Point on Hawaiʻi Island, just minutes from Kona International Airport.

Visitors can take a guided farm tour to learn about deep ocean water, Hawaiian salt making, solar evaporation and the cultural importance of paʻakai, or salt, in Hawaiʻi.

You can also visit our Farm Store and enjoy a complimentary salt tasting without taking a tour. And if you want to experience deep ocean water for yourself, try one of our naturally cold Deep Ocean Water Foot Soaks using water drawn from 2,200 feet below the Pacific.