Colombo CO2 3-in-1 Diffuser Medium – Bubble Counter, Diffuser & Valve Collection Only fully adjustable heating of the

fully adjustable heating of the aquarium without disturbing the visual appearance of the tank

and improves the health and appetite of koi

Trace Colours C (Iron & Complementary Elements) – Enhances green colouration

For Desert Species

Fits Classic 30L

Colombo CO2 3-in-1 Diffuser Medium – Bubble Counter, Diffuser & Valve Collection Only fully adjustable heating of theThe 3 in 1 diffuser offers a non return valve, bubble counter and diffuser in one device. Product Details: The diffuser is made from a transparent acrylic material, that looks like glass but with no risk of breaking. Cap can be opened for easy cleaning. Disassemble the top cover and take off the ceramic ring, fill the unit with water and re assemble. Size Medium Before Use Allow the ceramic ring to soak for 24 hours before bubbles will be released.