Check the listing for details. AquaBed. Condition: New. Listed at 4.50 USD. Live plants are beneficial to any aquatic environment. They add cover, food and oxygen to your aquarium, making it possible to leave air bubblers off, to save on your electric bill. Live plants also filter water naturally, condition it and make it more suitable for fish. Guarantee a healthier and well balanced ecosystem with Aqua Bed. Aqua Bed is a self contained aquatic planter. Roughly 4" x 5". Designed to be hidden under aquarium substrate (sand, gravel, stones) for a natural look, while providing plants with the nutrients they need to thrive. Making a planted aquarium easy for anyone. Great for aquascaping. Can be added to a new setup, or an existing aquarium, with no harm to fish or water quality. Simply place Aqua Bed on glass bottom, hold roots on top and cover with substrate ( gravel, sand, etc.) for a natural look. Aqua Bed holds enough soil to sustain 2 to 3 plants for a year+. Plants grow better together, rather than alone. AquaBed is now patented.