Argentina | Austria | Belize | Canada | Dominican Republic | Egypt | European Union | Great Britain | Guatemala | Guyana | Hong Kong | India | Japan | Malaysia | Mexico | New Zealand | Norway | Peru | South Korea | Thailand | Trinidad + Tobago | UAE

The MEI Benefit

When choosing Marine Enterprises International to be your Marinemix provider you will benefit from top in class customer service.

We are told repeatedly that our personalized customer service sets us apart. Each customer has a unique set of needs and challenges, and our experienced customer service team works closely with all of our customers to develop solutions to make your job easier.
As a customer of Marine Enterprises International, you will enjoy personal, regular, one on one contact with a designated member of our service team in addition to:

Expedited Order Processing and Order Tracking

When you place your order for Crystal Sea®, it is processed right away, so you are not waiting indefinitely for your shipment. Every order is treated as a priority. And, our customer service team monitors and tracks your ordering patterns and often knows when you need Crystal Sea® Marinemix before you do.

Various Packaging Options

Every customer facility is different, and Crystal Sea® Marinemix is packaged and shipped in a number of different configurations to make receiving and using our product easy.

Domestic and International Shipping Expertise and Timely Delivery

We ship our product throughout the United States and all over the world. We are well versed in international shipping requirements and are able to deliver Crystal Sea® Marinemix to you wherever you need it. Whether you require a full container in the Middle East, or a single pallet in a neighboring town, we are able to get you what you need in a timely fashion. We get your product to you where you need it and when you need it. Always.

As a full-service aquarium salt manufacturer, we take care of the mixing, giving our customers the time they need to focus on caring for the animals under their supervision.

Superior Product

We only do artificial seawater mix. We don't do anything else.

This singular focus of replicating sea water has allowed us to perfect our proprietary products, providing our customers with the assurance that their aquatic endeavors will be successful when choosing Marine Enterprises as their trusted Marinemix provider.

The Test of Time

We have been producing Crystal Sea® for over 50 years and we have a history that has withstood the test of time for consistency and safety. Crystal Sea® is the leading Marinemix worldwide – supporting sophisticated aquarists, public aquariums, zoos, aquaculture and research facilities, tropical fish wholesalers, professional service providers, and commercial seafood holding systems.

Quality Assured

Crystal Sea® Marinemix is manufactured using the most stringent of quality control guidelines. An exact mixing technique ensures a consistent level of anhydrous ingredients in each batch. The crystalline ingredients used in Crystal Sea® Marinemix are highly soluble, dissolving immediately, and clearing completely within minutes. We are known for our fast clearing attributes, and Crystal Sea® does not leave any residue on the water’s surface.

Over 70 Elements

Over 70 major and minor elements are included in Crystal Sea®. Except for a dechlorinating compound there are no other organics and or additives.

Invest with Confidence


Crystal Sea® is safe for all marine life.


The EPA references Crystal Sea® as a suitable replacement for natural seawater.


For over 50 years we have delivered a high quality, dependable, and safe product to all of our customers.


The world's most discerning public aquariums, zoos, seafood holding systems and aquaculture facilities use our product on a daily basis.


Our anhydrous proprietary blend yields 14% more volume, making Crystal Sea® Marinemix the best value per gallon.

Our Pricing

Call us today to learn more about why Crystal Sea® is the best value per gallon.

Get In Touch

We’d like to keep in touch with you!

Contact us to learn more about our products!
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