A floating surface aerator churning a low white plume of water in a shallow farm pond at sunrise, reedy bank in the foreground and clear shallow margins

Shallow Pond Aerators

Three aeration systems for low-depth water: two floating surface units and one bottom system built for shallow placement.

3 products
Filters
Filters
Scott Aerator DA-20 Display Aerator On The Water Wight Lights & Green Trees In The BackgroundView product
Scott Aerator
1/3 to 3 HP
Scott Aerator DA-20 Display Pond Aerator Fountain from $1,799.00
saleShallow Water Airmax Aerator With Diffuser and WeightedView product
Airmax®
4 options
Airmax Shallow Water Aeration System from $1,499.99$2,249.99
Scott Aerator Boilermaker Solar Pond Aerator On The Water With 2 Panels & A Bridge In The BackgroundView product
Scott Aerator
4 options
Scott Aerator Boilermaker Solar Pond Aerator from $6,069.00
Aeration for shallow ponds

In shallow water, surface movement usually beats a deep diffuser

Shallow water is where standard bottom aeration struggles. A conventional diffuser works by lifting a column of water from the pond floor to the surface, and under a few feet there is not much column to lift. The three systems on this page answer that in two ways: floating units that work the top layer directly, and one bottom system designed for shallow placement.

The Airmax Shallow Water Aeration System is the purpose-built option. It is rated for a quarter to half an acre, runs on 115V, and its compressor sits in a cabinet that comes with the system, so the only thing in the water is the diffuser and the weighted airline. It is the one unit here that carries a shallow-water rating rather than a general depth rating.

The two Scott Aerator units float instead. The DA-20 Display runs on 115V or 230V with motors from 1/3 HP to 3 HP, throws a V-shaped pattern and takes a light kit, while the Boilermaker Solar runs on solar panels and needs no power line at the bank. Prices here start at $1,499.99. Compare floating pond aerators for more surface options, and read how much aeration a pond needs before you size one.

Frequently Asked Questions

What is the best aerator for a shallow pond?
A floating surface unit, or a bottom system rated for shallow water. Surface aerators and aerating fountains move the top layer directly, which is where a shallow pond does most of its gas exchange. The Airmax Shallow Water Aeration System is the diffused option here that carries a shallow rating.

Why do bottom diffusers struggle in shallow ponds?
Because they rely on depth. A diffuser lifts water from the floor to the surface, and the shallower the pond the less lift each bubble provides, so the circulation you are paying for never really develops. Surface aerator vs bottom diffuser explains the trade-off in full.

Will a pond fountain aerate a shallow pond?
Yes. An aerating fountain such as the Scott Aerator DA-20 Display pulls water up and throws it through the air, which is genuine oxygen transfer rather than decoration alone. It covers a quarter acre through three acres depending on the motor, and it can take a light kit if you want the pond to look good after dark.

Can I aerate a shallow pond without running power to it?
Yes, with the Scott Aerator Boilermaker Solar. It runs on solar panels, is rated from a quarter acre to one acre and comes in 1/2 HP and 3/4 HP, so no trench or meter is needed at the water. Output follows the sun, so expect daytime aeration.

How much does a shallow pond aerator cost?
Systems on this page start at $1,499.99 for the Airmax Shallow Water Aeration System. The Scott Aerator DA-20 Display starts at $1,799 and the solar Boilermaker is the most expensive option here. Price follows motor size and, for the solar unit, the panel array that comes with it.

Pond School, keep reading

View all guides
SIZINGHow much aeration a pond needs14 min readCOMPARISONSurface aerator vs bottom diffuser10 min readBASICSPond depth13 min readPLACEMENTWhere to place a pond aerator10 min read

Need expert help finding the right setup?

Contact Pond Haven Support