Pondmaster AP-100 Air Pump
#4 in Bubbler kitsFull review
A shore-side air pump for buyers who already have diffusers and tubing and want a quiet, high-volume pump with a multi-outlet manifold.
Amazon $442.99$442.99
The Pondmaster AP-100 Air Pump is the better pond aerator overall, rated 3.1 to 2.8. The Pondmaster AP-100 Air Pump costs $107 less ($442.99 vs $549.99).
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.
CrystalClear KoiAir 2
#9 in Bubbler kitsFull review
A small-pond air pump kit rated for 16,000 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 $549.99$549.99
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 | Pondmaster AP-100 Air Pump | CrystalClear KoiAir 2 |
|---|---|---|
| Overall rating | 3.1/5 | 2.8/5 |
| Value 35% | 50 rated pond size not published (neutral score used) | 46 $34.37 per 1,000 gal rated ($549.99) |
| Output 20% | 100 5.4 CFM of air | 50 airflow not published (neutral score used) |
| Efficiency 20% | 42 5.4 CFM per 100 W | 50 airflow or watts not published (neutral score used) |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Pondmaster AP-100 Air Pump | CrystalClear KoiAir 2 | |
|---|---|---|
| Aeration | ||
| Rated for | - | 16,000 gal |
| Maximum depth | 11.5 ft | 4 ft |
| Airflow | 5.4 CFM | - |
| Power | ||
| Motor | 100 W | - |
| Voltage | 115 V | - |
| Noise | 45 dB | - |
| In the box | ||
| Diffusers | None | 2 |