Back To Nature Rock River-F Aquarium Ornament Fragrance Free Potassium is one of several

Potassium is one of several elements that are critical to sustaining vigorous growth in a planted aquarium

Unlike competing "wet" products marketed under the guise of being "live"

Praise him enthusiastically with your voice "good dog" and/or a treat after he has finished

the unit will turn yellow or pale yellow-green

Eating the same thing every day

Back To Nature Rock River-F Aquarium Ornament Fragrance Free Potassium is one of severalThe Back To Nature Rock River F Aquarium Ornament is a collection of realistic looking rock modules for custom aquarium and terrarium layouts. The rocks are available in a variety of sizes and shapes, allowing you to combine them with an existing background to create a unique layout with overhangs, caves, or simply to enhance the 3D effect. Size: 65cm x 50cm x 10cm