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 $206.99
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.
- Bubbler kitType
- 16,000 galRated for
Price checked November 3, 2026. As an Amazon Associate we earn from qualifying purchases.
- Two diffuser sticks for ponds up to 16,000 gal
- Costs the most of the bubbler kits, and power, airflow and warranty are not published
- Rated for ponds only 4 ft deep
The CrystalClear KoiAir family
Every CrystalClear KoiAir model we rank, smallest first. Ratings compare each against its own type.
| Model | Type | Rating | Price |
|---|---|---|---|
| CrystalClear KoiAir 1 | Bubbler kit | 2.7/5 | $299.99 |
| CrystalClear KoiAir 2 (this one) | Bubbler kit | 2.8/5 | $549.99 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | KoiAir 2 |
|---|---|
| Aeration | |
| Rated for | 16,000 gal |
| Maximum depth | 4 ft |
| In the box | |
| Diffusers | 2 |
Alternatives in this type
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 $149.99A small-pond air pump kit rated for 8,000 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 $299.99Compare
Compare the CrystalClear KoiAir 2 with any other pond aerator →
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