The MEI Benefit
When choosing Marine Enterprises International to be your Marinemix provider you will benefit from top in class customer service.
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.
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
SAFETY ASSURED
Crystal Sea® is safe for all marine life.
REFERENCED BY THE EPA
The EPA references Crystal Sea® as a suitable replacement for natural seawater.
Experience
For over 50 years we have delivered a high quality, dependable, and safe product to all of our customers.
Reputation
The world's most discerning public aquariums, zoos, seafood holding systems and aquaculture facilities use our product on a daily basis.
VALUE
Our anhydrous proprietary blend yields 14% more volume, making Crystal Sea® Marinemix the best value per gallon.