Editor's pick
Tetra
Whisper Air Pump
A quiet air pump to drive an air stone, sponge filter or bubbler. Extra oxygen and gentle movement, useful in warm or crowded tanks.
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Our take
Warm water holds less oxygen, and a crowded or heavily-stocked tank can run short, so air pumps earn their keep in summer or a busy community. This one runs an air stone or, better, a sponge filter, adding oxygen and surface movement. Tetra's Whisper is the long-time budget default, reasonably quiet for the price. Sit it above the water line or use a check valve, so it cannot back-siphon tank water if the power cuts.
Good to know
- Drives air stones and sponge filters
- Quiet dome design
- Sized by tank gallons
- Adds oxygen and movement
Who it is for
- Warm or stocked tanks
- Sponge filters
Who should skip it
- Bettas and fish that dislike strong current, without a gentle stone
- Skipping a check valve below the water line
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