| Penn Plax Aquarium Accessory | 6.25 H x 4.5 W x 4.5 D in | Wayfair PGL1 Cascade presents the Plant Growth LED Light. This light fixture will surely brighten up your aquarium, day or night! While powered by a wall outlet, this LED Grow Light encourages and stimulates plant growth, be it in a refugium, a desktop aquarium, or... more | | $41.49 FREE shipping go to store |