A shore-mounted diffused-aeration compressor rated for 3 acres for buyers who will buy their own tubing and diffusers and want the motor at the lowest price.
Amazon $359.99The AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM is the better pond aerator overall, rated 3.8 to 3.2. The AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM leads on efficiency and output. The WRSTER-TECH 3/4 HP Pond Aerator, Timer wins on value. The WRSTER-TECH 3/4 HP Pond Aerator, Timer costs $178.11 less ($181.88 vs $359.99).
Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A shore-mounted diffused-aeration compressor rated for 3 acres that comes with tubing and diffusers, for a pond or small lake where electricity is on shore.
Amazon $181.88Which should you buy?
- Choose the AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM for efficiency (1.5 CFM per 100 W vs 0.9 CFM per 100 W) and output (8.2 CFM of air vs 5.2 CFM of air).
- Choose the WRSTER-TECH 3/4 HP Pond Aerator, Timer for value ($60.63 per rated acre ($181.88) vs $120 per rated acre ($359.99)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every lake compressors pond aerator; a clear win is highlighted. How we rank explains each one.
| Factor weight | AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM | WRSTER-TECH 3/4 HP Pond Aerator, Timer |
|---|---|---|
| Overall rating | 3.8/5 | 3.2/5 |
| Value 35% | 70 $120 per rated acre ($359.99) | 89 $60.63 per rated acre ($181.88) |
| Output 20% | 100 8.2 CFM of air | 44 5.2 CFM of air |
| Efficiency 20% | 100 1.5 CFM per 100 W | 43 0.9 CFM per 100 W |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| AZZUNOX 3/4 HP Pond Aerator, 8.2 CFM | WRSTER-TECH 3/4 HP Pond Aerator, Timer | |
|---|---|---|
| Aeration | ||
| Rated for | 3 acres | 3 acres |
| Maximum depth | 50 ft | 50 ft |
| Airflow | 8.2 CFM | 5.2 CFM |
| Power | ||
| Motor | 0.8 HP, 550 W | 0.8 HP, 550 W |
| Noise | 60 dB | 60 dB |
| In the box | ||
| Diffusers | None | - |
| Timer | Yes | Yes |
