“For several years, the marine segment of the aquatics trade has been growing while the freshwater division has been shrinking. Stores that carry products for both disciplines do not typically discriminate when it comes to items such as tanks, filters, glass canopies, stands and heaters. Other products are easily allocated to the marine trade–sumps, overflow kits, protein skimmers, halide and other high-tech light fixtures, chemical supplements, marine salt and food supplements. While these products are…”