Give your aquatic pets a change of scenery with this colorful Aqua Culture Two-Sided Aquarium Background. This two-sided background is for 20 to 29 gallon tanks and it features a freshwater pattern on the front and a solid black color on the back. For a 20 gallon tank simply trim the background to perfectly fit your aquarium or terrarium. Finally use tape to adhere the background to your tank. Measuring 19.25 inches by 31.5 inches this cheerful background is sure to brighten up your aquarium. Be sure to check out other products from Aqua Culture like aquariums faux plants aquarium decorations tubing filters lights and more for all your aquarium needs. Make your aquatic friends feel like they re visiting a new and exciting place with the Aqua Culture Two-Sided Aquarium Background.