All you need is your old fish tank, some pea gravel or fancy stones, and a selection of candles in various sizes and heights.

To give the candles a base, lay a thin layer of pea gravel down in the bottom of the aquarium. If you want a natural look, opt for brown pea gravel or even sea shells.

Aquarium gravel is comprised of small pebbles that come in a variety of shapes and colors, allowing you to creatively design your aquarium. Skip to content. KXAN Austin.

Pea gravel is higher priced than gravel but offers more design options, styles and colors such as tans, light and dark grays. The loose surface of ¼-inch rounded stones, however, is hard to walk on.