Bottom line A water fountain keeps water moving and filtered, and many cats and dogs genuinely drink more from flowing water. A solid mid-size model runs around $69.99; the real commitment isn't the price — it's cleaning the thing regularly so it stays safe to drink from.
Not veterinary advice More water helps urinary and kidney health, but a fountain isn't a treatment. If your pet is suddenly drinking much more or much less than usual, that's a reason to call your vet, not just buy a fountain.

Why flowing water

Cats in particular are drawn to moving water — in the wild, still water is more likely to be stagnant or contaminated, so running water reads as "fresh." A fountain can nudge a reluctant drinker to drink more, which matters for urinary and kidney health. Not every cat will be impressed, but for many, it's a cheap way to increase intake.

The benefits

  • Filters. They catch hair, dust, and debris, and can improve taste.
  • Encourages drinking. More water intake supports urinary and kidney health.
  • Larger capacity. A big reservoir means fewer refills — handy for multi-pet homes.
  • Alerts. Some models flag low water or filter changes through an app.

Key features to compare

  • Capacity. A 10-liter model suits multi-pet homes; a small one needs frequent refills.
  • Filter type and cost. Budget for replacement filters — they're an ongoing expense, not a one-time buy.
  • Pump noise. Some pets are bothered by the hum; quieter pumps cost a bit more.
  • Cleaning ease. Dishwasher-safe parts make weekly cleaning faster.
  • Low-water alerts. Useful if you don't want to check the level by eye.

What you'll pay

Fountains range widely, but a solid mid-size unit runs around $69.99 — that's the anchor for a large 10-liter model.[1] Small basic fountains cost less; app-connected models with alerts cost more. Remember that the filters are a recurring cost on top of whatever you pay up front.

Cleaning matters more than the features

The biggest factor in whether a fountain helps or hurts is how often you clean it. Biofilm and slime build up in the pump and reservoir, and a dirty fountain is worse for your pet than a clean bowl. Wash the unit and change the filter on the schedule the maker recommends — weekly deep cleans are common. If you won't keep up with that, stick with a plain bowl.

FAQ

Do cats really drink more from fountains?

Many do, because moving water reads as fresh. Not every cat will, but for reluctant drinkers it's worth trying — just keep the old bowl available at first.

How often do I need to clean it?

Follow the maker's schedule; weekly cleaning and regular filter changes are typical. A fountain that isn't cleaned becomes a source of bacteria.

Are filters necessary?

They help with debris and taste, but they're an ongoing cost. Check the replacement price and how often you'll need to buy them before choosing a model.

Sources

  1. Wayfair — pet water fountain price anchor (~$69.99) — wayfair.com
  2. Growth Market Reports — smart pet care market ($7.8B in 2025 → $27.1B by 2034) — growthmarketreports.com