... rarely distort. As for breaking or cracking, it does not happen. That, alone, is one of the many reasons why acrylic aquariums come ... with molecular bonding. This bonding is strength and durability at is best. Leaks are rare, if not completely nonexistent. As it was ... fact, acrylic aquariums can also be custom ordered; this is something that is not seen with traditional, aquariums. As you can see, ...