Mineral Makeup of Seawater

Our products come from the pristine oceans of Australia, the Southern Ocean and/or the Pacific Ocean near the Great Barrier Reef. We do regular testing of our products and all fall well within the regulatory requirements. The following information is here as a guide only.

MINERAL MAKEUP OF SEAWATER 

In order of most to least: Please Note that *Sodium Chloride has been mostly removed as Salt before Sea Minerals are made. Please see Where do Sea Minerals come from here

ELEMENT

Number of parts per million (ppm) in seawater

*Chloride

18980

*Sodium

10561

Magnesium

1272

Sulfur

884

Calcium

400

Potassium

380

Bromine

65

Carbon(inorganic)

28

Strontium

13

Boron

4.6

Silicon

4

Carbon (organic)

3

Aluminum

1.9

Fluorine

1.4

N as nitrate

0.7

Nitrogen (organic)

0.2

Rubidium

0.2

Lithium

0.1

P as Phosphate

0.1

Copper

0.09

Barium

0.05

Iodine

0.05

N as nitrite

0.05

N as ammonia

0.05

Arsenic

0.024

Iron

0.02

P as organic

0.016

Zinc

0.014

Manganese

0.01

Lead

0.005

Selenium

0.004

Tin

0.003

Cesium

0.002

Molybdenum

0.002

Uranium

0.0016

Gallium

0.0005

Nickel

0.0005

Thorium

0.0005

Cerium

0.0004

Vanadium

0.0003

Lanthanum

0.0003

Yttrium

0.0003

Mercury

0.0003

Silver

0.0003

Bismuth

0.0002

Cobalt

0.0001

Gold

0.000008

This is a makeup of seawater from https://web.stanford.edu/group/Urchin/mineral.html  Seawater, amazingly, doesn't vary much in its mineral makeup from place to place.