Complete Duplication of Natural Sea Water
Crystal Sea offers complete duplication of natural seawater´s major, minor, and trace elements contained in a single stage homogeneous blend. Crystal Sea contains only 100% natural elements to support even the most delicate fish, corals, and invertebrate life.

Over 70 Elements
Over 70 major and minor elements are included in Crystal Sea. Calcium and other specific items are enhanced over natural seawater for reef aquariums. Except for a dechlorinating compound, there are no other additives. No nitrates, phosphates, ammonia, silicates or E.D.T.A.

Easy to Mix
A single-stage blend contains all elements in one dry, crystalline mixture. Addition of any liquid trace solution at the time of hydration is unnecessary. Solubility is immediate and complete, clearing within minutes without insoluble residue. A proper pH of 8.3 is attained upon hydration.

Quality Assured
Crystal Sea Marinemix is manufactured under the most stringent quality control guidelines using a superior computer controlled blending system. This insures exact mixing of anhydrous ingredients throughout each batch.

Experience Rated for Over 30 Years
Crystal Sea is the number-one selling marinemix worldwide in the combined fields of environmental testing, university research, aquaculture, public aquaria, retail dealers, marine fish wholesalers, and marine hobbyists.

Superior formulation using modern technology

• Scientifically blended utilizing a superior computer controlled blending system insuring exact mixing of anhydrous ingredients
• No organics or unnecessary additives
• No ammonia, nitrate, phosphate, silicate or E.D.T.A. added

• Crystal Sea Marinemix is the number-one selling marinemix worldwide
• Used by major public aquariums, universities, biological research facilities and government testing agencies
• Professionally used since 1968
• Attractively illustrated consumer and professional sizes available for use in the U.S. and for export