7 best air pump for koi pond ☀️ Boost Oxygen, Boost Beauty: Top-Rated Air Pumps for Stunning Koi Ponds 

pond aerator best air pump for koi pond
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Best Air Pump for Koi Pond: A Comprehensive Guide to Ensuring Optimal Pond Health ????????

Koi ponds are not merely decorative water features; they represent intricate ecosystems that demand careful attention to maintain a healthy environment for ornamental fish. Among the many factors that contribute to this balance, proper aeration is paramount, and selecting the best air pump for your koi pond is crucial for success.

Introduction ????????

In the realm of koi pond maintenance, aeration plays a pivotal role. Beyond the aesthetics of a bubbling pond, the health and vitality of koi fish and the overall pond ecosystem hinge on adequate oxygen levels. In this article, we embark on a journey through the world of air pumps, exploring the factors that make them indispensable companions for your koi pond.

Understanding Koi Pond Aeration ????????

What is Aeration? ????????

Aeration, fundamentally, is the process of infusing oxygen into the water, essential for the health of aquatic life. In a koi pond, this process becomes critical, ensuring the water remains oxygen-rich, creating an environment conducive to the well-being of koi fish.

Impact on Koi Health and Pond Ecosystem ????????

The well-being of koi fish, celebrated for their vibrant colors and graceful movements, is intimately connected to well-oxygenated water. Adequate aeration not only supports the health of these ornamental fish but also contributes to the overall balance of the pond ecosystem by promoting beneficial bacteria and reducing the risk of algae blooms.

Types of Aeration Systems ????????

A variety of aeration systems are available, including diffused aeration, surface aerators, and air pumps. While each has its merits, air pumps stand out for their effectiveness in ensuring consistent oxygen levels throughout the pond.

Key Features to Look for in an Air Pump ????⚙️

Choosing the best air pump involves a nuanced consideration of several key features to ensure optimal performance and longevity.

Oxygenation Capacity ????️????

The primary function of an air pump is to oxygenate pond water. Selecting a model with sufficient capacity is crucial, tailored to meet the needs of your specific pond size.

Energy Efficiency ⚡????

Beyond mere performance, an air pump’s energy efficiency is paramount. Striking a balance between effective aeration and energy conservation not only reduces operating costs but also aligns with eco-friendly practices.

Durability and Reliability ????️????

Pond equipment is exposed to outdoor elements, requiring resilience against varying weather conditions. Opt for air pumps with durable construction and reliable performance, ensuring longevity in the face of environmental challenges.

Noise Level Considerations ????????

Maintaining the serene ambiance of your outdoor space is vital. Choose an air pump with low decibel levels to ensure peaceful coexistence with your koi fish and prevent disruptions to your tranquil haven.

Size and Coverage Area ????????

Selecting an appropriately sized air pump is crucial. Consider the coverage area to guarantee effective aeration across the entire water body, preventing stagnant pockets where oxygen levels may dip.

Top 5 Air Pumps for Koi Ponds ????????

Now, let’s delve into the specifics of the top five air pumps, celebrated for their performance in koi pond aeration.

Brand 1: OxygenMaster Pro Series ????????

Comprehensive Review of OxygenMaster Pro Series ????????

The OxygenMaster Pro Series stands out for its exceptional performance in oxygenating koi ponds. Equipped with advanced technology, this air pump ensures consistent and efficient aeration, promoting the health of koi fish and maintaining the ecological balance of the pond. Users praise its reliability, durable construction, and user-friendly features.

Brand 2: AquaFlow Supreme Air Pump ????????

AquaFlow Supreme Air Pump – Pros and Cons ????️✅❌

The AquaFlow Supreme Air Pump boasts a balance between power and efficiency. Its robust aeration capabilities are complemented by energy-efficient operation. While users appreciate its quiet performance, some may find its initial cost slightly higher. However, the long-term benefits justify the investment for those seeking optimal pond health.

Brand 3: PondLife MaxiAire Deluxe ????????️

PondLife MaxiAire Deluxe – A Closer Look ????????

The PondLife MaxiAire Deluxe offers a blend of innovation and practicality. With a focus on user convenience, this air pump is easy to install and maintain. Its durable design ensures longevity, and the adjustable settings cater to various pond sizes. Users commend its reliability, particularly in adverse weather conditions.

Brand 4: KoiBreeze High-Output Air Pump ????????

KoiBreeze High-Output Air Pump – Performance Analysis ????????

For those with larger koi ponds, the KoiBreeze High-Output Air Pump emerges as a top choice. This powerful pump delivers a high volume of oxygen, catering to ponds with a substantial fish population. While its performance is commendable, users should consider the space required and the initial investment, ensuring alignment with their pond’s specific needs.

Brand 5: AquaClear SilentStream Aerator ????????

AquaClear SilentStream Aerator – Features and Benefits ????????

The AquaClear SilentStream Aerator prioritizes the tranquility of your outdoor space. True to its name, this air pump operates silently, ensuring a peaceful coexistence with your koi fish. Beyond its noiseless operation, it boasts efficient aeration and durable construction. Users appreciate its unobtrusive presence and reliability.

Detailed Reviews and Comparisons ????????

Delving into the details of each air pump offers a more nuanced understanding, aiding readers in making informed decisions.

Comprehensive Review of OxygenMaster Pro Series ????????

Performance Metrics and User Satisfaction ????????

The OxygenMaster Pro Series excels in delivering on its promises. Its performance metrics, including oxygenation capacity and energy efficiency, surpass industry standards. Users consistently report satisfaction with its reliability, emphasizing its role in maintaining optimal pond conditions for koi fish.

AquaFlow Supreme Air Pump – Pros and Cons ✅❌????

Balancing Power and Efficiency ????????

The AquaFlow Supreme Air Pump’s strengths lie in its ability to balance power and efficiency. Its pros include robust aeration capabilities and energy-efficient operation. While the initial cost may deter some, the long-term benefits, including reduced energy consumption, make it a worthwhile investment for discerning pond owners.

PondLife MaxiAire Deluxe – A Closer Look ????????️

User-Friendly Design and Durable Construction ????????

The PondLife MaxiAire Deluxe impresses with its user-friendly design. Its ease of installation and maintenance is a boon for pond owners seeking practical solutions. The durable construction ensures a long lifespan, with users attesting to its reliable performance even in challenging weather conditions.

KoiBreeze High-Output Air Pump – Performance Analysis ????????

Catering to Larger Koi Ponds ????️????

The KoiBreeze High-Output Air Pump is a powerhouse designed for larger koi ponds. Its high-volume oxygen delivery meets the demands of substantial fish populations. Potential users should weigh the initial investment against the benefits, considering the space requirements and the specific needs of their pond.

AquaClear SilentStream Aerator – Features and Benefits ????????

Silent Operation and Efficient Aeration ????????

The AquaClear SilentStream Aerator distinguishes itself with silent operation, ensuring a peaceful environment for both pond owners and koi fish. Its efficient aeration capabilities, coupled with durable construction, make it an attractive choice for those prioritizing a serene outdoor space.

Installation and Maintenance Tips ????️????

Ensuring your chosen air pump operates optimally demands a thorough understanding of installation and maintenance practices.

Step-by-Step Guide on Installing an Air Pump ????????‍♂️

Installing an air pump need not be a daunting task. A step-by-step guide simplifies the process, empowering pond owners to set up their aeration system efficiently. From selecting the right location to connecting tubing, each step contributes to the overall success of the installation.

Regular Maintenance Practices ????????

Ongoing maintenance is crucial to the longevity and efficiency of your air pump. A comprehensive guide covering regular cleaning routines, troubleshooting common issues, and ensuring proper functioning safeguards your investment and guarantees continuous optimal performance.

Real-Life Success Stories ????????

Real-life success stories add a layer of authenticity to the recommendations, offering insights into the practical applications of the chosen air pumps.

Testimonials from Koi Pond Owners ????️????️

Experiences with OxygenMaster Pro Series ????????

Users of the OxygenMaster Pro Series share their experiences, emphasizing the positive impact on their koi ponds. From improved water clarity to healthier fish, these testimonials highlight the tangible benefits of choosing this air pump.

AquaFlow Supreme Air Pump in Action ????‍♂️????

Pond owners utilizing the AquaFlow Supreme Air Pump share their perspectives on its performance. The testimonials shed light on how this pump has become an integral part of maintaining optimal pond conditions, ensuring both aesthetic appeal and the well-being of koi fish.

PondLife MaxiAire Deluxe – User Satisfaction Stories ????????

The PondLife MaxiAire Deluxe has garnered praise for its user-friendly design and reliable performance. Testimonials from satisfied users underscore the importance of practicality and durability in maintaining a thriving koi pond.

KoiBreeze High-Output Air Pump – Meeting Demands of Larger Ponds ????️????

Users managing larger koi ponds with the KoiBreeze High-Output Air Pump share their success stories. The ability of this pump to cater to ponds with substantial fish populations is evident in the positive experiences recounted by pond owners.

AquaClear SilentStream Aerator – Silent Serenity in Ponds ????????

Pond owners seeking a tranquil environment praise the AquaClear SilentStream Aerator for its silent operation. Testimonials highlight the harmony achieved between aeration efficiency and the peaceful coexistence of koi fish and their human caretakers.

Top Pond Air Pump Options

The Ultimate Guide to Choosing the Best Air Pump for Your Koi Pond

Maintaining happy and healthy koi requires optimal water conditions, and proper aeration plays a crucial role. Choosing the right air pump becomes essential. This comprehensive guide dives deep into the world of pond aerators, explaining their functions, key selection factors, and an expert analysis of the top-performing pumps currently available.

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Top Picks For Pond Aerators

Based on our analysis of seven different products, we have identified the following as the top-rated pond aerators:

  1. Best for small ponds: Airmax Pond Air 2
  2. Best for medium ponds: Airmax Koi Air 1
  3. Best for large ponds: Air Pro Deluxe

These aerators have consistently demonstrated superior performance and efficiency in their respective pond sizes.

Benefits of a Pond Aerator

The key purpose of pond aeration is to boost dissolved oxygen levels in the water. This is achieved by using an electric pump to push air through tubes and into a diffuser at the bottom of the pond. As air bubbles rise from the diffuser, they transfer essential oxygen to the water while releasing carbon dioxide. This vital process also gets the stagnant pond water moving. As the bubbles rise, they create an upward current, drawing water from the depths and sending it back down in a continuous loop.

This water circulation provides several key benefits:

  • Reduced algae growth: By moving water around, aeration carries algae spores away from the surface, where they need sunlight to thrive. This limits their growth and keeps the pond looking cleaner.
  • Prevented pond stratification: Without circulation, pond water naturally separates into layers, with warmer, oxygen-rich water at the top and colder, oxygen-depleted water at the bottom. This limits where fish can swim, as they need oxygen to breathe.
  • Minimalized winter ice formation: In cold climates, a frozen pond surface can cut off oxygen flow and endanger fish. Running an aerator in winter months prevents ice from completely covering the water, creating a safe breathing hole for fish.

Overall, pond aeration is a simple yet effective way to improve the health and beauty of your pond. It increases oxygen levels, prevents algae growth, and keeps the water healthy for fish and other aquatic life.

How to Choose A Pond Areator

Pond Size

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Not all ponds are created equal, and neither should their aerators be. Choosing the right aerator depends on your pond’s specific size and needs.

Think about it this way: a half-acre pond needs a much bigger aerator than a tiny 3-foot-by-9-foot one.

Before diving in, check the aerator’s rating. Most kits tell you how many gallons it can handle.

Pro Tip: Use a pond calculator (like the one below) to find your pond’s volume in gallons.

If the aerator doesn’t mention gallons, look for a CFM (cubic feet per minute) rating instead. A small pond might be fine with 0.1 CFM, but a 1-acre pond needs closer to 2.5 CFM.

Remember, the right aerator keeps your pond happy and healthy.

Pond Depth

Your pond’s depth matters! It greatly impacts aeration. Deeper water means the diffuser needs more pressure to push out air bubbles.

If your pump isn’t powerful enough, it won’t provide enough air for proper aeration. Too little power, and it might not even overcome the water pressure, leaving your pond gasping for air (literally!).

Pond Shape

Your pond’s shape greatly influences how much aeration it needs, especially when deciding between one diffuser or several.

  • Circular ponds: A single central diffuser usually does the trick. With enough air output, it creates a current that circulates water throughout the whole pond.
  • Irregularly shaped ponds: These often have “dead spots” with poor water flow. To keep water moving in these stagnant areas, you’ll need multiple diffusers. An aerator with multiple outlets might be a better choice than one with just a single outlet.

7 Best Pond Aerators Best air pump for koi pond reviewed

Store your aerator in a dry place to protect the pump and keep it working well. A garage, shed, or even a protective cover will do the trick!

1. Aquascape 75000 Pond Air 2

Aquascape 75000 Pond Air 2 Best air pump for koi pond

Key Features:

  • Powerful Aeration: This pump packs a punch! It delivers 0.5 cubic feet of air per minute, keeping your pond water oxygenated and healthy.
  • Winter-Tested Tough: The silicone airline won’t crack or break in the cold, so your pond stays aerated even in harsh winter weather.
  • No Backflow: Built-in valves stop water from flowing back into the pump during power outages, protecting it from damage.
  • Aeration to the Bottom: Two weighted airstones sink and stay put, sending bubbles deep into your pond for thorough oxygenation.
  • Big Pond Ready: This system handles ponds up to 2,000 gallons and depths of 8.5 feet, no matter the size of your underwater oasis.
  • Double the Bubbles: Two outlets mean you can aerate two different areas at once, keeping the water moving and oxygen evenly distributed.


  • Dual Outlet Design:This air pump features two built-in outlets, allowing you to aerate different sections of your pond at the same time. This improves oxygen levels and creates a thriving environment for fish.
  • Weighted Airstones:This air pump comes with weighted airstones that stay anchored even when the air is turned on, keeping them submerged for optimal oxygen delivery.


  1. Please note: Weighted airline is not included in this kit. It is recommended for certain installations where the airline needs to stay submerged at the bottom of the pond.

2. Air Pro Deluxe Pond Aerator Kit by Living Water

Air Pro Deluxe Pond Aerator Kit by Living Water Best air pump for koi pond

Key Features:

Powerful Performance for Large Ponds:

  • 2.3 CFM Pump: Tackle large bodies of water with ease thanks to the Air Pro Deluxe’s robust 2.3 cubic feet per minute pump.
  • 100 ft Weighted Airline: Secure placement and optimal performance are guaranteed with the included 100-foot weighted airline (30.5 meters).
  • Large Membrane Diffuser: Mounted on a sturdy metal plate, the sizeable membrane diffuser ensures efficient and effective air diffusion throughout your pond.

Designed for Large Ponds: The Air Pro Deluxe tackles the tough needs of expansive ponds, aerating up to 1 acre with its powerful 2.3 CFM airflow. This heavy-duty air pump is built for large-scale results.

Built for Reliability: Its powerful ¼ horsepower motor is backed by a robust 2-year warranty, while the tubing and diffuser boast an extended 5-year warranty. These warranties showcase the manufacturer’s confidence in delivering a top-notch aerator system.


  • Boost Oxygen in Your Livestock Ponds: Breathe new life into your pond with the Air Pro Deluxe! Its powerful ¼ horsepower compressor delivers optimal oxygenation for healthy aquatic life, even in large ponds.
  • Stay Stable, Even in Rough Waters: Weighted airline and a secure diffuser mount keep the entire system anchored, no matter how choppy the water gets. You can rest assured your fish are getting the oxygen they need, even in windy weather.
  • Built to Last, Backed by Warranty: We trust our Air Pro Deluxe so much, we back it with a generous warranty: 2 years on the compressor and 5 years on the tubing and diffuser. Enjoy peace of mind knowing your investment is protected.


  • Unsuitable for Small Ornamental Ponds: Due to its considerable power, the Air Pro Deluxe is not recommended for use in smaller ornamental ponds, as it may be excessive for their needs.

 3) Laguna Aeration Kit for Ponds

Laguna Aeration Kit for Ponds Best air pump for koi pond

Key Features:

  • Air compressor (output not specified by the manufacturer)
  • 30 feet (9 meters) of airline tubing
  • 1 inch (2.5 centimeter) airstone
  • Float for adjustable diffuser depth

Unique Design for Ornamental Ponds:

The Laguna Aeration Kit stands out from other pond aeration systems with its innovative floating air stone design. A styrofoam float keeps the stone suspended above the pond floor, allowing it to move freely around the water as air is pumped through.

Missing Specs:

Unfortunately, the manufacturer hasn’t shared details about the air pump’s output or the ideal pond size and depth for this kit.


Based on its features, the Laguna Aeration Kit seems best suited for smaller ornamental ponds.


  • Efficiently aerates a larger area due to its mobility.
  • Prevents disturbance of the pond’s sediment.


  • The manufacturer’s specifications regarding capability are lacking.
  • Suitable only for small ponds.

4)Tetra Pond APK100 Air Pump Kit

Tetra Pond APK100 Air Pump Kit Best air pump for koi pond

Key Features:

  • Powerful 0.117 CFM pump
  • Equipped with dual outlet functionality
  • Includes 30 feet (9 meters) of airline tubing
  • Comes with two 2-inch (5 centimeter) airstones
  • Specifically designed for small ponds with a recommended maximum depth of 2 feet (60 centimeters)

This air pump has two outlets and comes with a long 30-foot air hose, so you can aerate two different areas of your pond at the same time. While the manufacturer says it can handle ponds up to 5,000 gallons, it’s best to use it for ponds up to 500 gallons for the best results.


  • Dual output capability facilitates coverage of multiple areas
  • Economically viable solution for small ponds


  • Manufacturer’s rating limited to a depth of 2 feet
  • Tubing and airstones lack weighting, potentially affecting stability
  • Suitable only for small ponds

5. Airmax Koi Air 1 Water Garden Aeration Kit

Airmax Koi Air 1 Water Garden Aeration Kit Best air pump for koi pond

Key Features:

  • 0.8 CFM pump
  • Weighted airline
  • Two diffusers on a weighted plate

Looking for a perfect air pump for your medium-sized pond?

The Airmax KoiAir 1 could be your ideal match! It works wonders for ponds between 2,000 and 8,000 gallons (that’s 7,500 to 30,000 liters) and up to 4 feet deep (around 120 centimeters).

Two clever features to keep everything running smoothly:

Double air diffusers: These specially designed diffusers boost airflow and prevent clogging, keeping your pond healthy and happy. They’re even flexible, so you don’t have to worry about them cracking.

Weighted anchor system: No more air hoses floating all over! This system includes a weighted airline and diffuser plate, securing everything in place for worry-free operation.

With the KoiAir 1, you can rest assured that your pond is getting the proper aeration it needs, all thanks to its smart design and reliable features.


  • Well-suited for medium-sized ponds
  • Airline and diffuser exhibit exceptional buoyancy control


  • May be excessive for smaller ponds

6. Blue Diamond ETA 80 Pond Air Pump with Built in Alarm

Blue Diamond ETA 80 Pond Air Pump with Built in Alarm Best air pump for koi pond

Key Features:

2.6 CFM Pump:

Delivers a powerful 2.6 cubic feet of air per minute, ensuring optimal air circulation in ponds, aquariums, and other aquatic environments.
Features a built-in alarm system that instantly alerts you if airflow stops, allowing for quick troubleshooting.

Specifically designed for large ponds, the 2.6 cubic feet per minute (CFM) pump delivers optimal performance and functionality.

For added peace of mind, the pump features a high-pitched alarm system that sounds if the flow rate drops, allowing for proactive measures.

Enjoy worry-free operation with a comprehensive 2-year warranty and readily available replacement parts for convenient servicing, if needed.


  • Well-suited for large ponds, delivering sufficient power.
  • Alarm feature ensures immediate awareness of any CFM drops.


  • The product includes the pump only and does not encompass supplementary equipment or accessories.

7 Airmax Pond Air 2 Aeration Kit

Airmax Pond Air 2 Aeration Kit Best air pump for koi pond

Key Features:

  • 0.15 CFM pump capacity
  • Dual outlets for enhanced aeration
  • Two 30-foot rolls of high-quality airline tubing included
  • Non-return check valves to prevent water backflow
  • Suitable for ponds less than two feet (60 centimeters) deep and up to 1,000 gallons in size.

The Airmax Pond Air 2 is designed specifically for the aeration of smaller ponds. Its dual outlets enable efficient oxygen distribution across different areas of the pond.

To ensure the pump’s longevity, non-return check valves are provided, preventing water from flowing back into the pump in case of a power failure.


  • Dual outlets allow for wider aeration coverage.
  • Check valves are included to maintain optimal pump functionality.


  • Limited to shallow pond applications.
  • The airline tubing and airstones do not possess built-in weighting mechanisms.

Which is Best air pump for koi pond ?

The most important factor to consider when choosing an aerator is the size of your pond. A small pond aerator won’t work well in a half-acre pond, and a large one will churn up the water too much in a smaller pond.

For smaller ponds, the Airmax Pond Air 2 emerges as a commendable option. This aerator strikes a balance between gentleness and sufficient cubic feet per minute (CFM) output, ensuring optimal water circulation.

The Airmax Koi Air 1 is highly recommended for ponds of medium size with a depth of up to 4 feet (1.2 meters). This particular aerator boasts significant water circulation capabilities while maintaining an optimal pond environment without overaeration. Additionally, the diffuser design of the Airmax Koi Air 1 is aesthetically appealing, adding to its overall appeal.

When considering ponds exceeding 8,000 gallons (30,000 liters) in size, the Air Pro Deluxe emerges as the most favorable option. This robust pump boasts a sufficient cubic feet per minute (CFM) rating, enabling it to effectively circulate substantial volumes of water amounting to thousands of gallons.

Lean more also about pond aerator

Conclusion ????????

In conclusion, the journey to selecting the best air pump for your koi pond is a nuanced exploration of features, brands, and real-life experiences. By considering key features, exploring top-rated brands, understanding practical applications, and addressing common queries, you are empowered to make an informed choice for a thriving koi pond.

In this comprehensive guide, we’ve delved into the intricacies of koi pond aeration, the crucial features to look for in an air pump, and an in-depth analysis of the top seven air pumps in the market. Real-life success stories and detailed reviews provide a well-rounded understanding, ensuring you can confidently choose the best air pump for your specific needs. Remember, a well-aerated pond is not just a visual delight but a habitat where your koi fish thrive and your pond ecosystem flourishes. ????????

Frequently Asked Questions ❓????

How often should I clean the air pump? ????????

Cleaning the air pump at least once a month is recommended to prevent debris buildup and ensure optimal performance. However, the frequency may vary based on factors like pond location and environmental conditions.

Can I install the air pump myself? ????️????‍♂️

Yes, installing an air pump is a manageable task with a step-by-step guide. Pond owners can confidently set up their aeration system, selecting an appropriate location and connecting the necessary components.

Are air pumps noisy and disturbing for koi? ????????

Modern air pumps are designed for quiet operation. The recommended pumps, including the AquaClear SilentStream Aerator, prioritize silent performance, ensuring a serene environment for both pond owners and koi fish.

What size air pump do I need for my pond? ????????

Selecting the right-sized air pump depends on pond dimensions and fish population. A rule of thumb is to match the pump’s oxygenation capacity to the pond’s volume, considering factors such as depth and stocking density.

How does aeration benefit koi ponds? ????????

Aeration contributes to improved water quality by increasing oxygen levels. Beyond enhancing the health of koi fish, aeration supports beneficial bacteria, reduces algae blooms, and ensures a balanced pond ecosystem.

What are the key features to look for in an air pump? ????⚙️

When choosing an air pump, consider crucial features like oxygenation capacity, energy efficiency, durability, noise level, and the size of the coverage area to ensure optimal pond aeration.

Can an air pump be used in all seasons? ????❄️

Yes, air pumps can be used in all seasons. In colder months, consider a deicer to prevent ice formation, and in warmer months, monitor water temperature to optimize feeding schedules.

Do UV clarifiers work for algae control in koi ponds? ☀️????

Yes, UV clarifiers are effective for algae control in koi ponds. These devices use ultraviolet light to combat algae, ensuring water clarity and supporting the overall balance of the pond ecosystem.

Why is water quality testing important for koi ponds? ????????

Regular water quality testing is crucial to monitor parameters such as pH, ammonia, and nitrate levels. Maintaining a well-balanced pond ensures the health and longevity of your koi fish.

What are some DIY enhancements for koi ponds? ????️????️

Consider DIY water features like small waterfalls, natural bog filtration systems with gravel and aquatic plants, and solar-powered lighting to enhance the aesthetic appeal and functionality of your koi pond.

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