Air diffuser long-30 cm. An air stone will create an abundant cascade of small to tiny bubbles rather than a limited number of larger bubbles. These smaller bubbles will be much more effective at movi ... Read more
Air diffuser long-30 cm. An air stone will create an abundant cascade of small to tiny bubbles rather than a limited number of larger bubbles. These smaller bubbles will be much more effective at moving water through the filter, making the filter more effective and efficient.