BLUE DIAMOND PUMPS 12 INCH ROUND DISC AIR DIFFUSER
The Blue Diamond Pumps 12 inch replacement air diffuser aerator is suitable for hydroponic systems, ponds, aquariums, fish tanks and other systems, helping extend the life of your nutrient solution, keeping fish and roots healthy while promoting plant growth.
The bubbler is made of ABS material for durability, great for diffusing air to increase air flow and oxygenation in aquariums, ponds, hydroponics and aquaponics. Rising bubbles enhance vital hydroponic system aeration and water movement. This is a versatile air stone used for decorative and functional air bubbles.
No need to for a check valve. The perforations on the rubber are only microns thick so when there is no airflow the rubber membrane seals itself so no check valve is required. The rubber cover itself is a check valve. There are no holes in the center so when pressure is reduced, the rubber collapses over the air inlet, sealing it to backflow.
Instructions: 1) Place air stone in water for a minimum of 6 hours before use 2) Connect airline hose to air stone with an air pump 3) Set air stone horizontally in water 4) Turn on air pump and enjoy the bubbles 5) Clean air stone surface for increasing its lifespan 6) When not in use clean and store in a dry shaded area
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