Bashsea is a US-based manufacturer of premium aquatic life support systems and custom aquarium displays, operating from Ferndale, Michigan. The company develops and manufactures its product line in-house, with high-quality construction materials sourced from US suppliers whenever possible. Its products are distributed internationally, including to customers in Canada, Australia, Mexico, Africa, and China.

Bashsea offers equipment for home and commercial aquariums, including Bio-Fuge and Signature Series sumps, Smart Series and Pro Series sumps, biological and media reactors, a bio-pellet reactor, protein skimmers, skimmer waste collectors, and an aquarium viewing device. Commercial coral displays are available through the Mad Rack and Mad Rack Pro lines. The company also provides manufacturing and customization services, ranging from straightforward modifications to ground-up system development.

Through its Ultimate Aquariums division, Bashsea designs, constructs, and installs aquarium displays. Its approach emphasizes professional build quality, performance, efficiency, and distinctive design. With more than two decades of industry experience, Bashsea serves aquarium owners and businesses seeking specialized equipment or custom-built aquatic systems.