The best aquarium tank really depends on your personal preferences and what type of fish or aquatic environment you’re trying to create. If you’re just starting out, a glass tank is usually the easiest choice because they’re relatively inexpensive and come in a variety of sizes. However, if you want something more durable that won't easily crack or leak, an acrylic tank might be the better option. Acrylic tanks also offer superior clarity over glass so that your fish can be seen clearly from any angle. Additionally, many experienced aquarists prefer custom-built tanks with built-in filtration systems for added convenience and ease of maintenance. Regardless of which type you choose, make sure to research all options thoroughly before making a purchase to ensure it fits your needs perfectly!