Ponds and lakes are a valuable natural resource. They add beauty to the landscape, provide recreation, and are a habitat for fish and wildlife. Whether natural or man-made a large body of water is a complex biological, chemical and physical community. The quality of the water determines the health of the entire community and the aquatic organisms living within the system.... from microscopic bacteria to the largest fish. 

Why Aeration?


Oxygen is essential to the biology of a healthy pond or lake, but it's often in short supply. When there isn't enough oxygen, fish and other aquatic animals can suffocate, wastes generate noxious gases and water may foul.


Subsurface aeration brings oxygen levels up, dissipates toxic gases and evens out temperature and saturation levels throughout the entire water feature. Aeration is also the most efficient way to circulate water, moving 10 times as much per watt as water pumps.


Finally, aeration greatly accelerates the decomposition of solid and dissolved wastes. Although smaller water features may respond to other strategies, aeration is the only way to effectively manage nutrient removal, algae, water quality and clarity in larger lakes, not to mention reducing pests and parasites.

Without Aeration


Signs Of Imbalance

  • Algea, opaque green water or excessive growth of string algae or blanket weed

  • An excess of submerged vegetation and rampant marginal aquatic plant growth

  • Foul odors, of the water or of the sediments at the bottom

  • Dead fish, especially after a storm or change to cooler weather

  • Small, few or live fish at all



Causes of Imbalance

  • Excessive nutrients in the water and sediment

  • Insufficient total dissolved oxygen levels

  • Stratification and thermoclines that cut off surface oxygen


With Aeration


Benefits Of Aeration

Aeration creates bubbles that increase the surface area of air in contact with the water

Millions of bubbles moving upwards pull huge volumes of water up from the bottom

Oxygen-poor water rushes upwards, eliminating thermal layers, shedding toxic gases and picking up oxygen

Oxygen-rich water circulates down to the bottom, promoting the growth of bacteria that digest organic sludge and eliminate excessive nutrients

Typhoon Aeration Systems

Typhoon Shallow Water Aeration Systems

Typhoon Deep Water Aeration Systems

Typhoon Air Diffusers

Stratus SRC Series Single Rocking Piston Compressor

Stratus SRC series “Gen 2” rocking piston compressors are specifically designed for the demanding job of 24 hour operation. They are ideal for pond aeration systems. The oil-less design safely aerates ponds with no electricity in the water. The shore mounted compressor sends air through tubing to a bottom mounted diffuser for a safe, effective way to aerate ponds.


  • Inlet air filter, rubber foot pads and 5′ power cord included

  • Universal dual voltage motor

  • Includes Stratus Smart-Start technology

  • Oil-less operation

  • Superior quality, flexible cup material for increased reliability

  • Die-cast aluminum components for overall strength

  • Hard coated cylinder for wear resistance

  • Permanently lubricated bearings

  • 2 year limited warranty

  • Assembled in the USA



  • Power Cord Length 5'

  • Horsepower 1/4 hp

  • Voltage 115v

  • Amps 1.7 amps (at 10' operating depth)

  • Max PS I30

  • Maximum Air Flow 2.3 CFM

  • Max Depth: 50'
  • Warranty 2 year
  • Weight 17 lbs


  • Power Cord Length 5'

  • Horsepower 1/2 hp

  • Voltage 115v

  • Amps 3.6amps (at 10' operating depth)

  • Max PS I 30

  • Maximum Air Flow 4.5 CFM

  • Max Depth: 50'

  • Warranty 2 year

  • Weight 22 lbs

Pro Air Diaphragm Air Pump Kits

Pro Air  Aerator Pumps feature weatherproof, continuous duty, diaphragm compressors specifically designed for year-round usage. Ideal for aeration and circulation in warm weather, these aerators are also excellent for de-icing and gas exchange in freezing weather. With diffuser options for ponds from 1,000 to 15,000 gallons. Pro Air  Aerator Pumps adapt to most backyard ponds.

The energy-efficient, outdoor-rated compressor with heavy-duty metal housing stands up to the elements, and its integrated rubber feet effectively minimize noise and vibration. Specially-designed, maintenance-free, 10″ aeration diffusers use a self-cleaning rubber membrane that expands to clear clogging dirt and debris. The diffusers’ interior weighted ballast keeps them at the bottom of the pond without the need for additional weights. The kit includes freeze-resistant 3/8″ braided aeration tubing with a pre-installed check valve built to last in all seasons. 

Max          Max       Max        Outlet      Max Air

Watts       PSI         Depth    Barb         Flow
15             2.90         6.5'        3/8"        0.71 CFM
45             5.08       11.5'        3/8"        2.10 CFM


Pro Air 20                              5000 Gallon Rated
Pro Air 60                              15000 Gallon Rated

Air Diffusers


KoiAir Single & Double Air Diffuser
Maximize the performance of your aeration
pump with the CrystalClear KoiAir Diffuser
Plate. Comprised of 2 high-performance
diffuser membrane sticks, solid one-piece
airflow optimizer, check valve, and a sturdy
base plate. Membrane diffusers take place of cumbersome traditional air stones, making the KoiAir Diffuser place virtually maintenance-free. Included hose barb accepts 3/8" airline.
Base keeps diffusers from settling into mud & prevents sediment erosion

10″ Rubber Membrane Aeration Diffuser

 The self-cleaning EPDM rubber membrane expands to release debris, making it clog and maintenance-free. Heavy-duty construction ensures year after year of reliable use. The 10″ Rubber Membrane Aeration Diffuser is compatible with most aeration devices, and the tapered 3/8″ fitting makes installation quick and easy. Oversized ends elevate the diffuser to allow for maximum airflow. Simply connect aeration tubing and a compatible compressor and place the diffuser in the desired location of the pond or water feature. The interior weighted ballast will keep the diffuser at the bottom of the pond without the use of additional weights.

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