Fluval U1 Underwater Aquarium Filter CADDINGTON VILLAGE The CO2 lowers the pH

The CO2 lowers the pH in the chamber to an acidic level which dissolves the carbonate minerals into the aquarium water

Imagine the convenience of having all your equipment neatly tucked away

225 micron felt filter bags are ideal for regular day to day use and enable a longer period between cleaning than with the 100 micron bags

making it easy to create a beautiful

Optimal Length – 10

Fluval U1 Underwater Aquarium Filter CADDINGTON VILLAGE The CO2 lowers the pHFluval U Series Underwater Filters provide complete and efficient 3 stage filtration, including BIOMAX biological filtering (U2, U3 and U4 models), to create superior aquarium water quality. The complete line, consisting of Fluval U1, U2, U3 and U4 Underwater Filters, includes many practical and versatile features that make them ideal for application in fresh, marine and reptile environments. Fluval U series filters provide the option of setting the