Medium bubbles: The air stone produces dense and abundant bubbles to aerate your water tanks. A great way to increase oxygen solubility in aquariums, fish tanks or ponds. Model: ASR-060; Spray volume: 12 L/min; Recommended air pump power: > 4W; Standard air tube ID: 0.5cm. Ideal for aquariums, DWC systems or small ponds. Reliable Material: Made of mineral material and sintered at high temperature, it does not cause any effect on the health of your aquatics. Helps maintain healthy fish or root growth. More Float: Measures 6D x 3H (cm) and weighs 108g. And its wide, flat bottom always keeps it stable in the tank to produce more stable bubbles. Easy to use: soak the stone completely in water for over an hour before use. Clean it regularly with a brush because it clogs after weeks or months of use.
