The Top Fin Stackable Studio Betta Tank allows you to stack multiple betta together with additional tanks. This sturdy tank is certain to make a safe and comfortable home for your betta, and allows you to save space due to its stackable nature. Only at PetSmart. Features: Stackable tank Includes: 1 Tank Intended For: Betta fish Material: Plastic Color: White
"The air in the vertical tank was pumped out and displaced by water
Contemporary condo design gets quite literally fishy in this stackable designed to mimic a modern high-rise. The quirky aquatic condo conceived by Teddy Luong and sold by won Canada’s Build a Better competition with its simple but pleasing design that creates habitat in a compact space. The 7.5 x 7.5 x 8 inch ABS box holds an open-air glass bowl which allows for the tanks to rest on each other, making it appear as though they live in . The aquarium can be painted to custom match any interior, and the price is right as well – it fetches a modest $35 per floor.
So the water is pushing down on the horizontal tank
Umbra Glass Fish Bowl Tank Hotel Pet Supplies Aquarium ..