Why does my cat ignore the water fountain I just bought?

Cats are cautious with new objects. Place the fountain near where they already drink, turn it on at the lowest flow setting, and leave it running for 2–3 days before removing their old bowl. Most cats adapt within a week.

How much water should a cat drink per day?

A healthy adult cat should drink approximately 60ml of water per kilogram of body weight per day. A 4 kg cat needs about 240ml daily. Cats on dry food diets need significantly more water than cats eating wet food.

How often should I change the water in a cat fountain?

Change the water completely every 2–3 days and rinse the fountain. Replace the filter every 2–4 weeks depending on how many cats use it. A dirty filter can make the water taste off, causing cats to avoid the fountain.

Cat Not Drinking Enough Water? Why a Pet Water Fountain Helps

June 7, 2026

Many cats don't drink enough water because they instinctively avoid still water and prefer a fresh, running source — which is why a pet water fountain often increases how much a cat drinks. Chronic mild dehydration in cats is linked to urinary crystals, kidney strain, and bladder problems, so encouraging water intake matters for long-term health.

Why cats don't drink enough

Cats evolved from desert animals and have a naturally low thirst drive. In the wild they avoid stagnant water, which can harbour bacteria. A still bowl simply doesn't trigger their instinct to drink — moving water does.

How a water fountain helps

A cat water fountain continuously circulates and filters water, keeping it fresh, oxygenated, and appealing. The gentle sound and motion draw cats to drink more often, and food-grade materials keep it safe.

Signs your cat may be dehydrated

Tacky or dry gums
Reduced skin elasticity (skin stays tented when gently lifted)
Lethargy or reduced appetite
Very infrequent litter box trips

Frequently asked questions

Do cats really drink more from a fountain?
Most do. The running water appeals to their instincts, and many owners notice increased drinking within days.

How often should I clean a cat fountain?
Rinse and refill every few days, and deep-clean with a filter change every 2–4 weeks.

Can dogs use a pet fountain too?
Yes — fresh-flow fountains work for both cats and dogs.

Explore our cat and dog essentials to keep your pet hydrated and healthy.