Fluval 405 Foam Filter A226 Replacement 15-50 The Fluval U2 is can

The Fluval U2 is can be used in aquariums between 45 and 110 litres

With its complex pore system

is essentially a means of quantifying the stability of pH in a solution

1) Fill sample pipette to base of bulb and dispense to a test cavity of the test plate

Fluval 405 Foam Filter A226 Replacement 15-50 The Fluval U2 is canFluval Foam for the Fluval 405 provides effective mechanical filtration by straining particulate waste. This foam layer prevents debris from clogging other filter media prematurely, while concurrently fostering biological activity in its porous structure. Designed for durability, Fluval Foam maintains water clarity and facilitates a healthy aquarium environment. Rinsing the foam on a monthly basis, or as needed, helps preserve its biological function.