Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to decorate a fish tank [title] Try a colorful sand for a beautiful base. [step] Aquarium sand and comes in a variety of colors, and you can choose your favorite as a base for your aquarium. Light colors do well, as they become almost glittery in water.

Ending1: Avoid metal sand or driftwood in water that has clear glass centers, too. [title] Add aquarium material outside your tank if it gets dry. Ending2: Popular, colorful sand options include striped sand, silver white sand, and glass sand. Create artwork with a color of the sea using fish colors and stripes or paint. Ending3: You can also layer different colors, though keep in mind they will get mixed up over time. [substeps] Another option is a pale tan sand to make your aquarium look like the ocean. Ending4: Add brightly colored sand to your tank in advance. [substeps] Goldfish, for instance, use a purple tank to reflect light.

Answer format: ending1/ending2/ending3/ending4