Aquariums Air Stones Disc, Fish Tank Oxygen Diffuser Pump Round Bubble Stone for Hydroponics Pond Aquarium Accessories

Black Air stones disc, suitable for inner diameter of tubing: 3/16" or 3/8"(4mm/8mm) Round Air Stone: Air pump is made of round plastic wrapped and high temperature fired air stone, with a frosted surface and high density air holes for more even and fine air flow, increasing dissolved oxygen for aquarium or fish tank aquatic animals Moderate Bubble: The power of the oxygen pump affects the bubble output area, the smaller the power the smaller the air volume the smaller the bubble produced, the recommended air pump power range from 4W to 8W, ideal for aquariums, fish tanks, hydroponics Applicable Scenarios: Oxygen diffuser suitable for different scenarios of fish tank oxygenation, live fish transportation, supermarket seafood tanks, small aquaculture, ponds, DWC systems for small gardens, etc. Easy to Use: Soak the air stone in water before use, let the air stone completely exhaust the air and wet out before connecting the 3/16" or 3/8" inner diameter air tube and then turn on the air pump. For long term use, if you find that the air output is poor, take out the air stone and clean it with a brush and reuse it