Search  for anything...

Pond Aerator Diffuser, Large Outdoor Sinking Bubbling Air Diffuser and Deicer, Replace Air Stones for Outdoor Koi Ponds, Lake Aerator Filtration Accessories, Lake Water Oxygen Generator

  • Based on 0 reviews
Condition: New
Checking for product changes

Buy Now, Pay Later


As low as $9.00 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Thursday, Jul 24
Order within 10 hours and 50 minutes
Available payment plans shown during checkout

Features

  • Cleans Stagnant Pond Water: This pond aerator diffuser creates dense bubbles that create an upward current of water. This flow disperses scum, interfering with the process of its formation. It also acts on leaves and other floating objects, accelerating their sedimentation. It quickly improves pond clarity by disrupting the conditions that allow scum and debris to accumulate on the water surface.
  • Check Valve and Anti clogging Design: This pond aerators for outdoor ponds is equipped with a professional check valve, which can accurately sense the water flow and quickly close when abnormal backflow occurs, fully protecting the pump and pipeline and extending the life of the equipment. The outdoor diffuser is also equipped with an anti clogging function, can intercept leaves and silt, and continuously output dense bubbles
  • Year Round Oxygen Supply: This pond diffuser adopts an innovative air path, outputting dense bubbles all year round to increase dissolved oxygen. In the cold winter, the water surface freezes, and this product also helps to maintain water flow throughout the cold season to eliminate surface ice and ice, helping fish survive
  • Sinking Upright Design: To adapt to complex ponds, the koi pond aerator design ballast weight is increased by 25%, effectively resisting water flow and keeping the aerator in an upright position underwater. Built in buoy anchor point, connected to the recovery buoy, convenient maintenance and position adjustment
  • Easy Installation: This aerator pond diffuser does not require assembly. Use the 3/8 inch hose (pump and down hose not included) to connect to the air pump, and the installation can be completed in minutes, saving time and energy. The bottom diameter is 4 inches, and each long black tube is about 7.7 inches long

Description

Features: Why choose this pond aerator diffuser? What are its advantages and functions? 1.→The pond aerators produce bubbles which generate a water flow to unwanted floating matter like leaves accumulate. 2.→The check valve prevents backflow and has an anti blocking function to protect the safety of the pond pump aerator outdoor. 3.→Bubbles are generated throughout the year to increase oxygen, and ice breaking increases oxygen in winter to help fish survive the winter safely. 4.→25% more ballast is added to the bottom to resist water flow, stand upright underwater, and have built in anchor points for easy maintenance. 5.→No assembly is required, use a 3/8-inch hose to connect the pond diffuser, and it can be installed in a few minutes. 6.→The bottom diameter and black pipe length are suitable for various complex pond environments. Notes: Pump and down hose not included. Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.

Manufacturer: ‎Gulfmew


Part Number: ‎TD-Gulfmew-0526


Item Weight: ‎2.65 pounds


Product Dimensions: ‎7.87 x 5.91 x 5.91 inches


Country of Origin: ‎China


Item model number: ‎TD-Gulfmew-0526


Color: ‎Black


Item Package Quantity: ‎1


Batteries Required?: ‎No


Date First Available: March 31, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jul 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Pond aerator
The media could not be loaded. This pond aerator gets good water movement and already comes put together. All you need to do is hook it up to your existing air pump.
Reviewed in the United States on July 2, 2025 by alberto alberto

Can't find a product?

Find it on Amazon first, then paste the link below.