A small-pond air pump kit rated for 5,000 gal for a koi or backyard pond: it runs all year, adds oxygen from the bottom and keeps a hole open in winter ice.
Amazon $206.99The Aquascape Pro Air 20 is the better pond aerator overall, rated 2.8 to 2.4. The Aquascape Pro Air 20 leads on value. The The Pond Guy Pond Aerator 1 costs $17 less ($189.99 vs $206.99).
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 small-pond air pump kit rated for 3,000 gal for a koi or backyard pond: it runs all year, adds oxygen from the bottom and keeps a hole open in winter ice.
Amazon $189.99Which should you buy?
- Choose the Aquascape Pro Air 20 for value ($41.40 per 1,000 gal rated ($206.99) vs $63.33 per 1,000 gal rated ($189.99)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every bubbler kits pond aerator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Aquascape Pro Air 20 | The Pond Guy Pond Aerator 1 |
|---|---|---|
| Overall rating | 2.8/5 | 2.4/5 |
| Value 35% | 38 $41.40 per 1,000 gal rated ($206.99) | 20 $63.33 per 1,000 gal rated ($189.99) |
| Output 20% | 28 0.7 CFM of air | 50 airflow not published (neutral score used) |
| Efficiency 20% | 34 4.7 CFM per 100 W | 50 airflow or watts not published (neutral score used) |
| Warranty 25% | 50 3-year warranty | 0 warranty not published, scored as none |
Specifications
| Aquascape Pro Air 20 | The Pond Guy Pond Aerator 1 | |
|---|---|---|
| Aeration | ||
| Rated for | 5,000 gal | 3,000 gal |
| Maximum depth | - | 4 ft |
| Airflow | 0.7 CFM | - |
| Power | ||
| Motor | 15 W | 17 W |
| In the box | ||
| Diffusers | 1 | 1 |
| Tubing | 30 ft | - |
| Build | ||
| Warranty | 3 years | - |
