Instant Ocean is an aquarium-products brand focused on helping hobbyists and larger facilities create and maintain marine environments. Its flagship product, Instant Ocean Sea Salt, is described as carefully formulated and widely preferred, and is used by leading large-scale aquariums and research facilities across the country. The brand presents its science-based products as a practical way to bring ocean conditions into aquariums of different sizes.

The product range includes sea salt mixes, water-care products, and aquarium accessories. Related offerings featured alongside the Sea Salt include BIO-Spira and HoldFast Epoxy Stick. Instant Ocean also provides informational resources through its Instant Answers section, covering subjects such as sea salt, water quality, water testing, general questions, and ER foam fractionation. Customers can use the website to find retailers through a dealer locator, contact the company, and review its satisfaction guarantee. Instant Ocean is associated with Spectrum Brands, whose contact information is provided for customer inquiries. Together, its products and guidance serve aquarium keepers seeking supplies and information for maintaining their tanks.