20 Best Aquarium Air Stone Decoration [2024]

Are you looking for the best aquarium air stone decoration? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling aquarium air stone decoration.

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1 UPETTOOLS Aquarium Air Stone Fish Tank Nano Bubble Stone Kit with Control Valve Quiet Super-High... UPETTOOLS Aquarium Air Stone Fish Tank Nano Bubble Stone Kit with Control Valve Quiet Super-High...
2 AnxunJim Aquarium Groot Air Bubbler Decorations Fish Tank Air Stone Set AnxunJim Aquarium Groot Air Bubbler Decorations Fish Tank Air Stone Set
3 Uniclife Aquarium Ornament Bubbler with 6.5 ft. Airline Tubing, Air Stone and Air Valve Connector... Uniclife Aquarium Ornament Bubbler with 6.5 ft. Airline Tubing, Air Stone and Air Valve Connector...
4 Xiaoyztan Volcano Designed Aquarium Air Stone Bubble Oxygen Diffuser Fish Tank Mountain Decoration... Xiaoyztan Volcano Designed Aquarium Air Stone Bubble Oxygen Diffuser Fish Tank Mountain...
5 Aquarium Bubble LED Lights RGBW, TOPBRY Remote Controlled Air Stone Disk, with 16 Color Changing, 4... Aquarium Bubble LED Lights RGBW, TOPBRY Remote Controlled Air Stone Disk, with 16 Color Changing,...
6 Smoothedo-Pets Air Stone Fish Tank Decorations Aquarium Decoration Small Size Ornaments Accessories... Smoothedo-Pets Air Stone Fish Tank Decorations Aquarium Decoration Small Size Ornaments...
7 Aquarium Volcano Ornament Kit Air Bubbler Decorations for Fish Tank Aquarium with Colorful LEDs Air... Aquarium Volcano Ornament Kit Air Bubbler Decorations for Fish Tank Aquarium with Colorful LEDs...
8 SLOCME Aquarium Groot Air Bubbler Decorations - Oxygen Pump Resin Crafts for Aquarium Fish Tank... SLOCME Aquarium Groot Air Bubbler Decorations - Oxygen Pump Resin Crafts for Aquarium Fish Tank...
9 MingDak Aquarium Volcano Ornament Kit, Air Stone Bubbler with Red LED Light, Aquarium Air Bubbler... MingDak Aquarium Volcano Ornament Kit, Air Stone Bubbler with Red LED Light, Aquarium Air Bubbler...
10 Uniclife Aquarium Volcano Ornament Kit Realistic Resin Volcanic Decoration with Air Stone Bubbler... Uniclife Aquarium Volcano Ornament Kit Realistic Resin Volcanic Decoration with Air Stone Bubbler...
11 hygger Aquarium Air Stone, Fish Tank Bubble Decoration Hideout Cave with 3 Color Light hygger Aquarium Air Stone, Fish Tank Bubble Decoration Hideout Cave with 3 Color Light
12 Aquarium Decorations, Aquarium Volcano Ornament Kit with Colorful LED Spotlight, Air Bubbler Stone... Aquarium Decorations, Aquarium Volcano Ornament Kit with Colorful LED Spotlight, Air Bubbler...
13 Aquarium Air Bubble LED Light Aquarium Air Stone Disk Kit Fish Tank Air Bubbler Decoration 6 Color... Aquarium Air Bubble LED Light Aquarium Air Stone Disk Kit Fish Tank Air Bubbler Decoration 6...
14 Gumolutin Aquarium Decoration Air Bubbler Mini Tree Shape Baby Groot Aquarium Fish Tank Resin Crafts... Gumolutin Aquarium Decoration Air Bubbler Mini Tree Shape Baby Groot Aquarium Fish Tank Resin...
15 Ormeli Aquarium Volcano Ornament Kit Colorful LED Spotlight Air Bubbler Stone for Aquarium Fish Tank... Ormeli Aquarium Volcano Ornament Kit Colorful LED Spotlight Air Bubbler Stone for Aquarium Fish...
16 Uniclife Aquarium Volcano Ornament Kit with Air Stone Bubbler Fish Tank Decorations Uniclife Aquarium Volcano Ornament Kit with Air Stone Bubbler Fish Tank Decorations
17 5 inch 12 LED Aquarium Bubble Light Air Stone, Fish Tank LED Air Bubbler Light Submersible Air Pump... 5 inch 12 LED Aquarium Bubble Light Air Stone, Fish Tank LED Air Bubbler Light Submersible Air...
18 AUEAR, Aquarium Air Bubbler Decorations Treeman Shaped Fish Tank Oxygen Pump Stone Air Pump Resin... AUEAR, Aquarium Air Bubbler Decorations Treeman Shaped Fish Tank Oxygen Pump Stone Air Pump Resin...
19 Abnaok Aquarium Shell Decoration, Tropical Clam Live-Action Ornament, for Fish Tank Aerating,... Abnaok Aquarium Shell Decoration, Tropical Clam Live-Action Ornament, for Fish Tank Aerating,...
20 uxcell ; Hydroponic Fish Tank Air Stone Bubble Release Diffuser Bar Decor 2pcs uxcell ; Hydroponic Fish Tank Air Stone Bubble Release Diffuser Bar Decor 2pcs
SaleBestseller No. 1
UPETTOOLS Aquarium Air Stone Fish Tank Nano Bubble Stone Kit with Control Valve Quiet Super-High...
  • 【Produces Small Dense Bubbles Quietly】 This aquarium air bubble stone which can create a very dense cloud of small bubbles quietly. when the...
  • 【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...
  • 【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...
Bestseller No. 2
AnxunJim Aquarium Groot Air Bubbler Decorations Fish Tank Air Stone Set
  • Decorate your aquarium: This cute Groot decoration has realistic carving details, hand painted artwork, can generate bubbles to increase oxygen, and...
  • Material: resin, non-toxic, will not harm your fish, will not fall off, will not fade, can be used in fresh water or salt water
  • Size: 2.6 * 2.36 * 4.33 inches, weight: 7 ounces, suitable for small and medium fish tanks.
  • Easy to use: Air stone can replace oxygen and reduce the content of carbon dioxide. You only need to manually connect the aviation pipe to the...
  • The package includes: 10 feet aviation pipe, 1 Groot bubble, 2 suction cups, 1 check valve, 1 T-connector and 1 air control valve. The whole set of...
Bestseller No. 3
Uniclife Aquarium Ornament Bubbler with 6.5 ft. Airline Tubing, Air Stone and Air Valve Connector...
  • Realistic Decoration: The Artificial decorative resin bubbler can not only add beauty and vitality to your tank but also help increase the water...
  • Dimensions: 5 x 5.8 inches (D * H); weighs 10.6 oz. Create abundant small bubbles, suitable for aquarium, fish tank and circulation system
  • Vibrant and Sturdy: Hand-painted vivid bubble maker is made of resin which is safe, non-toxic, eco-friendly and totally harmless to your fish.
  • Air stone can dissolve more air into water and provide oxygen for fish to breathe while attached to an air pump (Pump is NOT Included).
Bestseller No. 4
Xiaoyztan Volcano Designed Aquarium Air Stone Bubble Oxygen Diffuser Fish Tank Mountain Decoration...
  • ❶PACKAGE - 1 x Volcano Shape Fish Tank Airstone Bubble Diffuser.
  • ❷DECORATION - Convenient placement on the gravel, can be used as fish tank decoration.
  • ❸AIR DIFFUSER - Can gradually diffuse air into your tank, providing vital oxygen for your fish and plants to breathe.
  • ❹ADVANTAGE - Promotes proper gas exchange to accelerate oxygen replenishment and reduce carbon dioxide buildup, increases the dissolved O2 level in...
  • ❺AFTERSALES - Please feel free to let us know if you meet any product quality issue, we will try our best to help you.
Bestseller No. 5
Aquarium Bubble LED Lights RGBW, TOPBRY Remote Controlled Air Stone Disk, with 16 Color Changing, 4...
  • 【Remote Control】11 LED RGBW Lights, 16-Colors Changing Effects and 4-Lighting Modes: FLASH/STROBE/FADE/SMOOTH, you can set up the effects you want...
  • 【Adjustable Brightness】There are 7-levels brightness can be adjusted. You can find the most suitable brightness, don't worry about being too dark...
  • 【Round Disc Design】Round disc shapes can stay steady at the bottom of the tank bubbler, maximizes the outlet area of the air stone, provides you...
  • 【Sealed Design】 Easy to install. Great design for underwater work, making fully submerged in fish tanks, fit for aquarium, fish tank, pool, etc.
  • 【Air Bubble Function】 Built-in air bubble stone, you could connect the air pump to creates air bubbles for improving oxygenation and gas exchange....
Bestseller No. 6
Smoothedo-Pets Air Stone Fish Tank Decorations Aquarium Decoration Small Size Ornaments Accessories...
  • Size as Picture Show and Annotation.10*12cm. Package come only Statues,No Tube Incidental.
  • The product uses gypsum/polyethylene/plastic/environment-friendly pigment with stable properties. Under normal circumstances, there will be no...
  • Because it's a brand new product and is shipped sealed in small boxes. So there will be a slight smell. Thanks for your understanding. After washing...
  • Due to the particularity of the goods, they may be damaged in transit. If you receive damaged goods, please contact us and we guarantee a full refund...
  • We also have other kinds of aquarium decoration products for sale.Like artificial water plants of various colors and sizes,Artificial stone rockery...
Bestseller No. 7
Aquarium Volcano Ornament Kit Air Bubbler Decorations for Fish Tank Aquarium with Colorful LEDs Air...
  • 🐟【Volcano Ornament】:The LED airstone bubbler light goes inside the volcano, Multi-Colored LED light shine and bubbles come out the top of the...
  • 🐠【Safe & Eco-friendly】Hand-painted vivid volcano is made of resin which is safe, non-toxic, eco-friendly and totally harmless to your fish....
  • 🐟【More Oxygen, More Vitality】This volcano ornament promotes oxygen for the fish to breathe via the bubbles and makes fishes love swimming...
  • 🐠【Package】: Each Kit contains one volcano, bubble maker with build-in LED light, 4.4ft bubble lamp power cord, 4.9ft air tube and 2.8ft power...
  • 💗【Star Service】:If you have any questions, please feel free to consult us. We are a franchise LED lamp factory, good quality and low price.
Bestseller No. 8
SLOCME Aquarium Groot Air Bubbler Decorations - Oxygen Pump Resin Crafts for Aquarium Fish Tank...
  • BUBBLER DECORATION - This ECO-Friendly resin material non-toxic, non-pollutant also it won't fade when the time goes long.Suitable for aquarium, fish...
  • MAKE AIR BUBBLE - Connect to the air pump to increase oxygen lower CO2 .Create abundant small bubbles(Air pump is NOT included). Increase the natural...
  • SIMPLE MAINTENANCE - Approximately measures 2.7” (length) x 2.7” (width) x 4.7” (height), this will fit easily in any aquarium. this air bubbler...
  • OPTIMIZED DESIGN - Crafted with great attention to detail,Resin material is stable so it can stand steadily. No special maintenance requirements and...
  • HIGHLY ORNAMENTAL - Each air bubbler ornaments is carefully packed to ensure that it is complete without flawed and perfectly delivered to your hands....
Bestseller No. 9
MingDak Aquarium Volcano Ornament Kit, Air Stone Bubbler with Red LED Light, Aquarium Air Bubbler...
  • BUBBLER VOLCANO ORNAMENT: The LED airstone bubbler light goes inside the volcano, Red LED light shine and bubbles come out the top of the volcano,...
  • IMPROVE THE OXYGENATION: It promotes oxygen for the fish to breathe via the bubbles and makes fishes love swimming around it, add fresh oxygen to the...
  • TWO IN ONE: Compared to the other volcano products, this one is awesome which the airstone bubbler is built into the light apparatus so there aren’t...
  • HARMLESS TO YOUR FISHES: The hand-painted volcano is made of resin which is safe, non-toxic, environmentally friendly and totally harmless to your...
  • EASY TO USE: Each Kit contains one voIcano, bubble maker with build-in LED light, airline tubing and power adapter, air pump is NOT included. Please...
SaleBestseller No. 10
Uniclife Aquarium Volcano Ornament Kit Realistic Resin Volcanic Decoration with Air Stone Bubbler...
  • Realistic Volcano: Dimension: 6.5" D x 3.5" H; Weight: 12 oz. Proper size for decorating 10-60 gallon fish tanks. Soak it in the water for at least 24...
  • Vivid Landscape: Strings of bubbles from the air stone are illuminated by the appealing colorful lights. It contrasts finely with the overflowing lava...
  • Gorgeous Detailing: Made of durable resin and polished with natural stone color, it brings a spectacular view to your plain tank. A new and unique...
  • Glittering Air Stone: Produce a steady stream of micro bubbles bursting quietly to increase oxygen level. Its LED bulbs give out 6 colors of lights...
  • Pump Not Included: Include a red volcano ornament, an air stone disc, a power adapter and 4-foot airline tubing. Perfect for aquarium decoration or...
Bestseller No. 11
hygger Aquarium Air Stone, Fish Tank Bubble Decoration Hideout Cave with 3 Color Light
  • 🐟 Fish Tank Light: Light Air Stone Material: ABS + Emery + LED light beads. Light color: red, blue, green. The unique design adds cool lighting to...
  • 🦐Aquarium Decoration Ornament: The fish tank decoration is is made of resin. The trunk house provides an excellent natural shelter and breeding...
  • 🐡Air Stone: the bubble stone is made of ABS + emery, and the air hose is made of PVC. The air stone can increase oxygen for the fish, and the...
  • 🐠Will Not Float: flat bottom, no matter how much water, can maintain perfect stability. And the Imitating resin wood aquarium décor ornament does...
  • 🌳Natural Landscaping: The Imitating tree house is not deformed, does not fade, and is durable. It is suitable for landscaping and decoration in the...
Bestseller No. 12
Aquarium Decorations, Aquarium Volcano Ornament Kit with Colorful LED Spotlight, Air Bubbler Stone...
  • 180 degree rotatable Multi-color LED spotlight dream shine adds a beautiful extra effect of overflowing lava, and the spotlight adopts waterproof,...
SaleBestseller No. 13
Aquarium Air Bubble LED Light Aquarium Air Stone Disk Kit Fish Tank Air Bubbler Decoration 6 Color...
  • 🍀【Supplemental Oxygen】: the aquarium bubbler has a round build-in air stone that bubbles in full circle and diffuses air into the fish tank and...
  • 💐【Colorful Light】: the bubbler for aquarium fish tank features 6 colorful LEDs, and the light changes automatically which adds vibrancy to your...
  • 🐟【Fun to Fish】: the fish bubbler provide little fun for your fishes with it’s colorful light and air bubbles, the intensity of the bubbles is...
  • ✅【Long Service Life】: the fish tank air bubbler light is made from high quality LEDs, which provide long service life and good brightness to the...
  • 🌼【Package Included & Specifications】: a round air stone disk with suction cup, a power adapter, a air tube to connect with air pump, PUMP IS...
Bestseller No. 14
Gumolutin Aquarium Decoration Air Bubbler Mini Tree Shape Baby Groot Aquarium Fish Tank Resin Crafts...
  • Size: Dimensions Approx. L 2.7 " *W 2.7 " * H 4.9", 6.8OZ.
  • Materal:Made of non-toxic poly resin which will do no harm to your aquatic fish or plants,easy to clean, great for both salt & fresh water.
  • Wide Useages: Can be used for aquarium landscaping to make your aquarium vividly ,a photography prop, also can be used for a home decoration, add a...
  • Make Air Bubbler: Connect to the air pump to increase oxygen lower CO2.Creates bubbles in fish tank while attached to an air pump(air pump is not...
  • NOTE: Resin material will have a little taste, but will not affect the fish.Please immerse these faux corals in water for 10 minutes before using.
Bestseller No. 15
Ormeli Aquarium Volcano Ornament Kit Colorful LED Spotlight Air Bubbler Stone for Aquarium Fish Tank...
  • HARMLESS TO YOUR FISH: The hand-painted volcano is made of resin which is safe, non-toxic, environmentally friendly and totally harmless to your fish...
  • 180 DEGREE ROTATABLE: 180 degree rotatable Multi-color LED spotlight dream shine adds a beautiful extra effect of overflowing lava, and the spotlight...
  • VOLCANIC ERUPTION DESIGN: Combined with air oxygen pump(Not Included), this kit will create a "volcano eruption" effect, not only making the fish...
  • EASY TO INSTALL: We comes with the text & images Instruction, of course we also showed it in our pictures. NOTE: "Volcano eruption" effect need...
  • CONTACT US: We check the goods and make sure them in a good condition before shipping to the Amazon Warehouse. However, we can't control some damage...
Bestseller No. 16
Uniclife Aquarium Volcano Ornament Kit with Air Stone Bubbler Fish Tank Decorations
  • Creating an "underwater volcano eruption" effect to make a wonderful landscape view for your aquariums up to 60 gallons
  • Hand-painted vivid volcano is made of resin which is safe, non-toxic, eco-friendly and totally harmless to your fish. Volcano Size: 6.7 x 4 inch (D*H)
  • Waterproof red LED spotlight can add a beautiful extra effect of erupting volcano especially at night
  • Air stone can dissolve more air into water and provide oxygen for fish to breathe while attached to an air pump (NOT Included).
  • AIR PUMP NOT INCLUDED! What You Get: Resin volcano ornament, Red LED light, power adapter and 1 air stone.
Bestseller No. 17
5 inch 12 LED Aquarium Bubble Light Air Stone, Fish Tank LED Air Bubbler Light Submersible Air Pump...
  • 【Aplication】Suitable for Fish tank Decoration,Freshwater Aquariums, Office Fish Bowls,Saltwater Aquariums, Ponds,Hydroponics, Aquaponics
  • 【Warm TIPS】This air bubble light CAN NOT generate itself,Need connect to air pump for air bubble billow effect.(Air pump not included)
  • 【Waterproof】Great night light for wonderful nocturnal viewing, produces a impressive RGB colors air curtain,Excellent sealed designed, can be...
  • 【Performance】AC adapter: AC 100-240V,12 LED, Output: 12V, Cable Length: approx 1400mm Diameter: 12.5CM
  • 【Lifetime support】If any question about the product,please feel free to contact-us,we will repsond in 12 hours.
Bestseller No. 18
AUEAR, Aquarium Air Bubbler Decorations Treeman Shaped Fish Tank Oxygen Pump Stone Air Pump Resin...
  • Package include:1 Pcs Groot aquarium fish tank air bubbler decoration
  • Material:Made of high quality resin,toxic free and safe,eco-friendly
  • Size(approx.):2.7 x 2.7 x 4.8 inch /6.9 x 6.9 x 12.2 cm
  • Design:Designed for freshwater and saltwater aquariums ,add a mystery to your tank and your fish will be entertained all day long
  • Feature:Mini groot fish tank can replace bubble stone, connect the oxygen pump to generate bubbles (this product does not contain air pump)
Bestseller No. 19
Abnaok Aquarium Shell Decoration, Tropical Clam Live-Action Ornament, for Fish Tank Aerating,...
  • Made of non-toxic harmless resin, Durable, nature, safe and eco-friendly.
  • When you connect the air pump tube,it can make air bubble,your fish can have fun with the air bubble.Air forces the giant clam to open revealing the...
  • Change your aquarium into a beautiful scenery,create a natural and natural living environment.
  • When it is connected to oxygen mercury, shell will open and close.
  • Pressure control valve recommended.
Bestseller No. 20
uxcell ; Hydroponic Fish Tank Air Stone Bubble Release Diffuser Bar Decor 2pcs
  • Color: Green; Package Content: 2 x Air Stone; Material: Plastic,Mineral; Model: NAQ-101; Total Size: 320 x 18 x 10mm/ 12.5" x 0.7" x 0.4"(L*W*T)
  • Evenly distributes fine bubbles through a super-porous, non-clogging wand.
  • It is an important instrument to successfully keep aquatic fish for respiration process.
  • Add Oxygen to keep water roots healthy, put fishes live at ease.
  • The air stone should be soaked in water for at least 15 minutes before use. When it is clogged with dirt or creating bubbles in a low rate, please...

Having trouble finding a great aquarium air stone decoration?

This problem is well understood by us because we have gone through the entire aquarium air stone decoration research process ourselves, which is why we have put together a comprehensive list of the best aquarium air stone decorations available in the market today.

After hours of searching and using all the models on the market, we have found the best aquarium air stone decoration for 2023. See our ranking below!

How Do You Buy The Best Aquarium Air Stone Decoration?

Do you get stressed out thinking about shopping for a great aquarium air stone decoration? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching aquarium air stone decoration, which is why we have assembled a comprehensive list of the greatest aquarium air stone decoration available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for aquarium air stone decoration that you consider buying. Your questions might include the following:

  • Is it worth buying an aquarium air stone decoration?
  • What benefits are there with buying an aquarium air stone decoration?
  • What factors deserve consideration when shopping for an effective aquarium air stone decoration?
  • Why is it crucial to invest in any aquarium air stone decoration, much less the best one?
  • Which aquarium air stone decoration are good in the current market?
  • Where can you find information like this about aquarium air stone decoration?

We’re convinced that you likely have far more questions than just these regarding aquarium air stone decoration, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for aquarium air stone decoration, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible aquarium air stone decoration. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an aquarium air stone decoration buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available aquarium air stone decoration currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of aquarium air stone decoration has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an aquarium air stone decoration?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your aquarium air stone decoration.
  5. Customer Ratings: Number ratings grade aquarium air stone decoration objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their aquarium air stone decoration.
  7. Product Quality: You don’t always get what you pay for with an aquarium air stone decoration, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an aquarium air stone decoration is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining aquarium air stone decoration information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding aquarium air stone decoration is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What do air stones do for aquarium?

A: – Soak the stone in hydrogen peroxide overnight, then rinse thoroughly and blow air through the stone until it is completely dry. – Boil the stone for five minutes, allow it to cool, then blow air through it until the stone is completely dry. – Place the airstone in water and add several denture-cleaning tablets. … – Soak in a water/vinegar solution. …

Q: Do I need an airstone in my Aquarium?

A: The answer is an absolute yes, it does not matter whether you have a filter in your aquarium or not, attaching an air stone makes the water circulation much better. Adding an air stone will keep the water cleaner, provide the fishes with more oxygen, and it has a lot of health benefits for the aquatic life. Also, an air stone is cheap.

Q: Where to buy airstone?

A: Measure the width and height of the entire wall (include the window). Then multiply: 60 inches x 96 inches = 5760 inches. … Measure the width and height of the window. Then multiply: 32 inches x 36 inches = 1152 inches. … Since the window won’t be covered with AirStone,subtract the area of the window from the entire wall: 40 – 8 = 32 square feet.

Q: Are air stones good for goldfish?

A: Not only are air stones decorative items for a tank, but they also help with aeration. Similarly, air pumps also increase the aeration level of water. Aerated water has more oxygen. Goldfish are attracted to bubbles produced by air stones and air pumps. While nibbling on these air bubbles, they sometimes end up swallowing them.