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Model: ACB-300; jetting volume: 15 L/min; recommended air pump power: > 7 W; standard ID airline tubing: 3/16 inch. Ideal for fish tanks, aquariums, DWC systems or small koi ponds.
Micro Bubbles: Produce an abundant cascade of fine bubbles which form a rectangular bubble wall. A great way to increase oxygen solubility in your aquarium.
Stable in Water: Each bar measures 12″ L x 1.5″ W and weighs 4 oz. Come with an extra suction cup clip which keeps it lying steadily without floating in the water.
Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. Help keep fish or roots growing healthily.
Easy to Use: Soak the stone completely in water for 1 hour before use. Clean it regularly with a brush as it gets clogged after weeks or months of usage.