Best Air Stones

Our Top 20 Best Air Stones list was created by The Man Post founder, Paul Crouch, to help users find products that are useful, affordable, and available. The list is updated every month.

Best Air Stones

AQUANEAT Air Stone, 4 X 2 Inch Large Air Stone Cylinder, Aerator Bubble Diffuser, Air Pump Accessories for Hydroponic Growing System, Pond Circulation, Aquarium Fish Tank (10 Pack)

$42.49  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Widely applicable: Suitable for hydroponic systems, ponds, aquarium fish tanks, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth
  • Air Stone Dimension: 2 "D x 4" H
  • Fits for 3/ 16 inch standard airline tubing
  • Quality and safe materials: Made of safe and washable material(Soak them for at least 2 hours before use)
  • Recommended a high-output air pump at least 8W-10W or a commercial air pump

AQUANEAT 1 Inch Air Stone 12PCS, Small Airstones Cylinder, Aerator Bubble Diffuser, Air Pump Accessories for Aquarium, Nano Fish Tank, Hydroponics

$7.29  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Widely applicable: Great for freshwater, saltwater/reef aquariums and hydroponic use; Increase oxygen levels, "blow off" CO2 and raise pH; Can be easily driven by even nano air pumps
  • Material: Durable and sturdy material; Safe to your fish
  • Dimension: 0.55" D x 1.00" H. (15mmx25mm); Fits standard airline tubing aquarium and CO2 tubing with inner diameter of 3/16"(4mm)
  • Note: You have to soak it in water for about 30 minutes before connecting to an air pump to run it
  • Includes: 12 pieces of gray air stones

Waycreat 4 Inch Air Stone Bar Bubble Diffuser for Fish Tank Aquarium, 6-Pack

$6.80  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Rising bubbles enhance vital aquarium aeration and water movement, multi-purpose aquarium air stone for decorative and functional bubbles
  • Increase oxygen and reduce carbon dioxide levels. Durable and washable. Sturdy and non-toxic materials are safe for your fish
  • Air stone kit length: 4"/10cm. Fits for 0.16"/4mm inner diameter tube
  • Air bubbler stone material: mineral and plastic. Color: Green and blue
  • Dimension: Approx. 4.5" x 0.8" x 0.5"/11.5 x 2 x 1.2cm (L*W*H)

Pawfly Aquarium 1.5 Inch Air Stone Disc Bubble Diffuser Release Tool for Air Pumps Fish Tanks Buckets Small Ponds and DWC Reservoirs, 8 Pack

$9.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Small but Enduring: Each cylinder measures 1.5" D x 0.7" T and weighs 1 oz. Small but well-constructed for continual bubbling. Ideal for fish tanks, aquariums and small ponds.
  • Medium Bubbles: The air stone discs produce a good amount of dense bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
  • Model: ASD-040; Jetting volume: 2 L/min; Recommended air pump power: 2 W - 4 W; Standard ID airline tubing: 3/16". Also great for DWC systems of small gardens.
  • Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. 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.

Pawfly 4 PCS Air Stone Bar 4 Inch Bubble Release Mineral Blue Airstones for Fish Tank Aquarium Pump

$6.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Medium Bubbles: The air stone bars produce an abundant cascade of bubbles which form a rectangle bubble wall, increasing oxygen in your aquarium or fish tank.
  • Model: ASB100; jetting volume: 1.3 L / min; recommended air pump power: > 2.5 W; standard ID airline tubing: 3/16 inch. Fit for aquariums and tank.
  • Mineral Material: This air stone is made of natural mineral material with a green plastic base, causing no effect to the health of your lovely fish.
  • Stable in Water: Each stone measures 4.5 x 0.8 x 0.5 inches (L x W x T) and weighs 1 oz. Its cuboid shape allows it to lie steadier than other shapes in the tank.
  • Easy to Use: Soak the stone completely in water for 1 hour before use. Clean regularly by a brush as they get clogged after weeks or months of usage.

AQUANEAT Air Stone, 4 X 2 Inch Large Air Stone Cylinder, Aerator Bubble Diffuser, Air Pump Accessories for Hydroponic Growing System, Pond Circulation, Aquarium Fish Tank (4 Pack)

$17.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Widely applicable: Suitable for hydroponic systems, ponds, aquarium fish tanks, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth
  • Air Stone Dimension: 2 "D x 4" H
  • Recommended a high-output air pump at least 8W-10W or a commercial air pump
  • Fits for 3/ 16 inch standard airline tubing
  • Quality and safe materials: Made of safe and washable material(Soak them for at least 2 hours before use)

Pawfly Aquarium 1 Inch Air Stone Cylinder Grey Bubble Diffuser Release Tool for Nano Air Pumps Small Buckets and Fish Tanks, 10 Pack

$6.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Tiny but Enduring: Each cylinder measures 0.6" D x 1" H and weighs 0.3 oz. Tiny but well-constructed for continual bubbling. Ideal for small fish tanks or aquariums.
  • Medium Bubbles: The air stone cylinders produce a good amount of dense bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
  • Model: ASC-025; Jetting volume: 0.8 L/min; Standard ID airline tubing: 3/16". Driven by even nano air pumps of 2 W - 4 W. Efficient bubblers for long-time service.
  • Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. Help keep your fish 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.

Wenshall 1.6 inch Air Stone, Air Stone for Aquarium, Fish Tank and Hydroponics Air Pump (4pcs)

$5.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • 【PACKAGE INCLUDED】 Package includes 4 pcs air stones, 2 pcs T-Splitter. Note : air pump and air tube are not included
  • 【Product Information】Wenshall air stone is made of silicon carbide, which is good for fish tank and hydroponics. Size:1.6 x 0.6 inch / 42 x 15 mm(D x H), Weight: 1.14 oz / 32g. Jetting volume: 2 L/min. Perfect match with Standard 3/16” Tubing.
  • 【EASY BE HIDDEN】Round cake design. Small size very easy be hidden under the water. It won't move when it's working
  • 【LONG USE TIME】Soaking the air stone in the water for one hour before use. Brush the stone surface every 2 weeks, you will find that it can accompany you for a long time and save a lot of money.
  • 【LIFETIME SERVICE】 Wenshall is a different kind of company that prides itself in providing the absolute best customer service in the industry. If for any reason you decide that this air stone set is not for you, send 1 simple email and receive a 100% money-back refund, absolutely no questions asked (in fact, you don't even have to return the set)

Pawfly Aquarium 2 Inch Air Stone Ball Bubble Diffuser Release Tool for Air Pumps Fish Tanks Buckets Ponds and DWC Reservoirs, 4 Pack

$12.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Medium Bubbles: The air stone balls produce abundant dense bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
  • Model: ASB050; Jetting volume: 5 L/min; Recommended air pump power: > 4 W; Standard ID airline tubing: 3/16" or 3/8". Well-built and efficient for long-time service.
  • Reliable Material: Made of mineral material and sintered at a high temperature. Great for aeration in aquariums, DWC systems or ponds. Keep fish or roots growing healthily.
  • Stable in Water: Each ball measures 2" in diameter and weighs 3.75 oz. Well weighted to sink to the bottom and lie stably in your tank without floating up.
  • 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.

Pawfly Aquarium 1 Inch Air Stone Cylinder Blue Bubble Diffuser Release Tool for Nano Air Pumps Small Buckets and Fish Tanks, 12 Pack

$5.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Tiny but Enduring: Each cylinder measures 0.6" D x 1" H and weighs 0.27 oz. Tiny but well-constructed for continual bubbling. Ideal for small fish tanks or aquariums.
  • Medium Bubbles: The air stone cylinders produce a good amount of dense bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
  • Model: ASC-025B; Jetting volume: 0.8 L/min; Standard ID airline tubing: 3/16". Recommended pump power: 2 W - 4 W. Efficient bubblers for long-time service.
  • Reliable Material: Made of mineral material and built solidly, it causes no effect to the health of your aquatics. Help keep your fish 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.

Pawfly Aquarium 4 Inch Air Stone Disc Bubble Diffuser Release Tool for Air Pumps Buckets Fish Tanks Ponds DWC Reservoirs and Circulation System - 2 Pack

$14.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Medium Bubbles: Produces abundant dense bubbles to aerate your water reservoirs. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
  • Model: ASD100; Jetting volume: 12 L/min; Recommended air pump power: > 4 W; Inner diameter of tubing: 3/16" or 3/8". Great for aquariums, DWC systems or ponds.
  • Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. Keep fish or roots growing healthily.
  • Stable in Water: Measures 4.1" D x 0.7" H and weighs 7 oz, which helps it sink to the bottom easily. And the 3 suction cups tightly suck the tank to make it sit stably in water.
  • 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.

Pawfly Aquarium 4 Inch Bread Air Stone Bubble Diffuser Release Tool for Air Pumps Fish Tanks Buckets Ponds and DWC Reservoirs

$12.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Medium Bubbles: The air stone produces abundant dense bubbles to aerate your water reservoirs. A great way to increase oxygen solubility in fish tanks, aquariums or ponds.
  • Model: ASR-100; Jetting volume: 15 L/min; Recommended air pump power: > 4 W; Standard ID airline tubing: 3/16" or 3/8". Great for aquariums, DWC systems or ponds.
  • 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.
  • No More Floating: Measures 4" D x 1.5" H and weighs 11.6 oz. And its wide and flat bottom always keeps it sitting stably in the tank to produce steadier bubbles.
  • Easy to Use: Soak the stone completely in water for more than 3 hours before use. Clean it regularly with a brush as it gets clogged after weeks or months of usage.

Penn-Plax AS6Q 4-Pack Aqua Mist Air Stone Cylinder Aerator for Fish Tank | Easy to Install to Your Pump | Aerates Your Tank

$3.49  in stock
3 new from $3.49
Free shipping
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • PACK OF 4 AIR STONES: sold as a 4-pack of fine mist aerators.
  • STEADY FLOW OF BUBBLES: which will provide a better supply of oxygen to your fish, and a beautiful look to your aquarium.
  • SMALL SIZED MIST AERATOR: measures at a 7/16 inch diameter (or 1 centimeters).
  • SHOP PENN PLAX FOR ALL YOUR AQUARIUM NEEDS: Penn Plax sells a wide variety of Aquarium products; such as tanks, filters, decorations, and much more
  • Age range description: Young Adult

Pawfly Aquarium 4 Inch Air Stone Disc Bubble Diffuser Release Tool for Air Pumps Buckets Fish Tanks Ponds DWC Reservoirs and Circulation System

$10.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Medium Bubbles: Produces abundant dense bubbles to aerate your water reservoirs. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
  • Model: ASD100; Jetting volume: 12 L/min; Recommended air pump power: > 4 W; Inner diameter of tubing: 3/16" or 3/8". Great for aquariums, DWC systems or ponds.
  • Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. Keep fish or roots growing healthily.
  • Stable in Water: Measures 4.1" D x 0.7" H and weighs 7 oz, which helps it sink to the bottom easily. And the 3 suction cups tightly suck the tank to make it sit stably in water.
  • 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.

Penn-Plax Aquarium Air Stone Aerator Attachment for Air Pump, 10 x 2 Inches | Easily Provide Continuous Stream of Bubbles to Aerate Your Tank

$7.95
$4.99
 in stock
6 new from $4.99
Free shipping
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • This 10 inch aquarium air stone creates a steady flow of bubbles. This also increases the oxygenation of your fish tank.
  • Attaches easily to any air pump with a standard 3/16” airline tubing. Multiple stones can be attached in a series for larger tanks.
  • This aquarium aerator has extended sides to be covered in gravel which holds product to bottom of aquarium. Even with the strong flow of bubbles it will stay secure.
  • Air stone can be positioned anywhere in your fish tank. Blue color blends in with surroundings or it can be hidden under gravel.
  • Air Stone measures 10 inches in length by 2 inches wide and can be used in both  freshwater and saltwater tanks.

UPETTOOLS Aquarium Air Stone Fish Tank Nano Bubble Stone Kit with Control Valve Quiet Super-High Dissolved Oxygen Diffuser Makes Super Tiny Bubbles for Fish Tank and Hydroponic

$10.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • 【Produces Small Dense Bubbles Quietly】 This aquarium air bubble stone which can create a very dense cloud of small bubbles quietly. when the bubbles burst into the water, the sound is quieter. Create lots of thin bubbles in fish tank, make dazzling curtain effect.
  • 【Double Oxygen Dissolving Rate】Great to add oxygen to your hydroponics growing system, Increase oxygen levels, lower CO2 and raise PH.
  • 【Easy to Use】2 Suction cup makes the air stone adsorbed on the tank firmly. Durable, great for home, office fish tank, aquarium and hydroponics nutrient tanks.
  • 【Adjustable】If You Need the Very Dense Cloud of Small Bubbles, Please Adjust the Air Pump by Hand.The air volume of this nano aquarium bubbler can be adjusted by the control valve.

Pawfly Aquarium 0.8 Inch Air Stone Ball Bubble Diffuser Release Tool for Nano Air Pumps Small Buckets and Fish Tanks, 10 Pack

$5.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Tiny but Enduring: Each ball measures 0.8" D x 0.7" H and weighs 0.3 oz. Tiny but well-constructed for continual bubbling. Ideal for small fish tanks or aquariums.
  • Medium Bubbles: The air stone balls produce a good amount of dense bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
  • Model: ASR-020; Jetting volume: 1 L/min; Recommended air pump power: 2 W - 4 W; Standard ID airline tubing: 3/16". Efficient bubblers for long-time service.
  • Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. Help keep your fish 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.

AQUANEAT 2 Pack Air Stone, Large Air Stone Cylinder, Aerator Bubble Diffuser, Air Pump Accessories for Hydroponic Growing System, Pond Circulation, Aquarium Fish Tank (Middle 4x2)

$11.88  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Widely applicable: Suitable for hydroponic systems, ponds, aquarium fish tanks, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth
  • Air Stone Dimension: 2 "D x 4" H
  • Recommended a high-output air pump at least 8W-10W or a commercial air pump
  • Fits for 3/ 16 inch standard airline tubing
  • Quality and safe materials: Made of safe and washable material(Soak them for at least 2 hours before use)

Pawfly Aquarium 2 Inch Air Stone Ball Blue Bubble Diffuser Release Tool for Air Pumps Fish Tanks Buckets Ponds and DWC Reservoirs, 4 Pack

$10.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Medium Bubbles: The air stone balls produce abundant dense bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives.
  • Model: ASR-050B; Jetting volume: 5 L/min; Recommended air pump power: > 4 W; Standard ID airline tubing: 3/16" or 3/8". Well-built and efficient for long-time service.
  • Reliable Material: Made of mineral material and built solidly. Great for aeration in aquariums, DWC systems or ponds. Keep fish or roots growing healthily.
  • Stable in Water: Each ball measures 2" in diameter and weighs 3.6 oz. Well weighted to sink to the bottom and lie stably in your tank without floating up.
  • 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.

Pawfly 8 inch Air Stone Cylinder Bubbler for Outdoor Pond Circulation System- 2 Pack

$29.99  in stock
Amazon.com
as of June 16, 2022 4:05 pm

Features

  • Produces an abundance of fine bubbles to your farm, pond and circulation system but NOT for aquarium or fish tank.
  • MODEL: ASC200, Jetting Volume: 24L/min, It needs a large pump more than 15 W to run it 24/7.
  • Measures 8-inch long by 2-inch diameter. Uses either 3/16” or 3/8" ID tubing.
  • Net Weight 1 pound, heavy enough to sink into the bottom of pond.
  • Soak the stone completely in water over 6 hours before use. Clean regularly by a brush as they get clogged.

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