HOUYI GUO Expanding Foam - Terra/Aqua/Hard Scaping (Grey / Brown) Color:Brown Gold arowana

Gold arowana

A high demand in CO2 is approx

They are inferior to "normal" biofilms both in nature and in an aquarium and can only spread if the “normal” biofilm has been destroyed and has partially died off

adding 10 ml/100 L (27 US gal) aquarium

HOUYI GUO Expanding Foam - Terra/Aqua/Hard Scaping (Grey / Brown) Color:Brown Gold arowanaCREATE YOUR OWN 3D BACKGROUND FOR AQUARIUMS, VIVARIUMS AND TERRARIUMS. Features and Benefits: Houyi Expanding Foam is a high tech material specially developed for ecological landscaping. This material will be expanded and cured in the presence of moisture in the air. It is equipped with a plastic adapter, which makes scape easy and more convenient, greatly improving the user's control. Quick to harden and easy to use; just shake well and spray! Safe