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The best cat water fountains for a flat
Published 2026-11-10 · Xavier Hure
A fountain keeps water moving. Many cats take more interest in it than in a bowl that sits still.
In a flat, a good choice fits on a worktop, rinses easily, and serves one cat or two sharing the same spot.
Small flat
Choose a base of about 20 cm, close to the kitchen.
Several cats
A 2.5 to 3 L tank stretches the refills when two cats share it.
Light care
A pump that comes apart and a filter on the pack’s interval are enough.
Small budget
The simplest models sit down, plug in, and cover the day of one cat or two.
Comparison
Water fountain Catit PIXI mint green
The mint Catit PIXI circulates water in a square of about 20.5 cm. It plugs in by USB and the pump comes apart for rinsing.
Best for. One cat, or two sharing
Strengths
- Compact size
- USB power
- Filter about every 30 days
Water fountain Catit PIXI 2.5 L steel
This PIXI keeps the familiar size, with a stainless steel top. It also plugs in by USB.
Best for. Who likes steel where the water sits
Strengths
- Steel top
- USB
- Same PIXI family
Water fountain Philips Pet dark grey
The dark grey Philips Pet plugs into the mains and starts when the cat moves. It stays quiet in a corner.
Best for. A cat that drinks when it walks by
Strengths
- Mains power
- Motion start
- Dark colour
Water fountain PETKIT Eversweet Solo 2 white
The PETKIT Solo 2 holds 2 L and measures about 18.5 cm across. Water flows while it is plugged in by USB, and the app stays optional.
Best for. A narrow surface
Strengths
- 2 L
- Very compact
- Optional app
Water fountain PETLIBRO Dockstream black
The PETLIBRO Dockstream runs on a 5000 mAh battery, with a stainless basin and 2.5 L. The sheet states 23 dB and up to 30 days of runtime.
Best for. Away from a socket for a few days
Strengths
- Battery
- 2.5 L
- Steel basin
Water fountain Amazon Basics 3 L white steel
The white Amazon Basics fountain holds 3 L in a stainless tank. It plugs into the mains, and the filter is changed every 2 to 4 weeks.
Best for. Two cats and fewer refills
Strengths
- 3 L
- Stainless steel
- Mains power
| Comparison | Size | Capacity | Care | Who it suits |
|---|---|---|---|---|
| Water fountain Catit PIXI mint green | 20.5 × 20.5 × 17 cm | 2 L or 2.5 L depending on the source | The pump comes apart for rinsing | Small flat |
| Water fountain Catit PIXI 2.5 L steel | 20.5 × 20.5 × 17 cm | 2 L or 2.5 L depending on the source | — | Kitchen, one or two cats |
| Water fountain Philips Pet dark grey | 21.4 × 18.2 × 19.1 cm | 2.2 L | — | Living room |
| Water fountain PETKIT Eversweet Solo 2 white | 18.5 × 18.5 × 16.4 cm | 2 L | Tank and pump separate for washing | Studio, one cat |
| Water fountain PETLIBRO Dockstream black | 22.6 × 18.7 × 16.1 cm | 2.5 L | Soak the filter for 5 minutes. Wash the pump and tank by hand every 2 weeks | Living room, one or two cats |
| Water fountain Amazon Basics 3 L white steel | 20.6 × 20.6 × 19.2 cm | 3 L | — | Several cats |
For your cat’s health, talk with your veterinarian.