How to Hydrate a Cat at Home: Safe Ways to Encourage Drinking
Published: October 8, 2026
Many healthy cats simply do not drink much, and small changes at home can help. This guide covers safe ways to encourage drinking. It is about prevention and encouragement, not treatment.
Why cats drink so little to begin with
Domestic cats descend from desert-dwelling ancestors, and they evolved to get most of their water from prey, which is roughly 70% water. As a result, cats tend to have a fairly weak thirst drive. A cat that is fed only dry food does not "know" to drink extra to make up the difference, which is why it can end up on the low side even when water is always available. The aim of the steps below is to make drinking easier, more appealing, and less necessary.
Ways to encourage drinking
- Feed more wet food. It is mostly water, so it is the easiest way to raise your cat's daily intake. Even replacing one dry meal helps.
- Add warm water to meals. A spoonful or two stirred into wet food, or poured over dry food, adds moisture. Do not leave it sitting out for hours.
- Try a water fountain. Many cats prefer moving water. If your cat likes the tap, a fountain may suit them.
- Put water in several places. Bowls in different rooms, especially where your cat rests, make drinking easier.
- Use a wide, shallow bowl. Some cats dislike their whiskers touching the sides. Our bowl check explains how to test this.
- Choose the right material. Glass, ceramic or stainless steel are easy to clean and do not hold odors like some plastics.
- Keep it fresh. Change the water daily and wash the bowl, since cats can be picky about stale water.
- Consider the bowl's location. Many cats seem to prefer water away from their food and litter box, so try moving it if your cat ignores it.
- Add a little flavor. A teaspoon of the water from canned tuna (in water, with no added salt) or plain, unsalted chicken water is sometimes accepted. Use sparingly.
Making wet food work
If your cat has eaten only dry food for years, a sudden switch can cause stomach upset or refusal. Start by adding a spoonful of wet food to the usual dry food and increase the amount slowly over one to two weeks. Warming wet food slightly (never hot) makes the smell stronger and can make it more appealing. Wet food is also usually higher in calories per serving than people expect, so adjust the portions to avoid weight gain, and ask your vet about the right amount. Cats on prescription diets should not change food without their vet's approval.
Keep fountains and bowls clean
A fountain only helps if it is clean. Take it apart and wash it regularly, change the filter as the maker recommends, and top up the water often. A slimy or smelly fountain can put a cat off drinking altogether. Bowls need daily washing with unscented dish soap and a thorough rinse.
Special situations
- Senior or arthritic cats: use low-sided bowls and put water on every floor of the home, so your cat does not have to climb stairs or jump to drink.
- Multi-cat homes: provide more than one water station, since some cats avoid drinking near other cats.
- Hot weather: keep water cool and in the shade, and add an extra bowl or two. Ice cubes in the bowl can be a fun, safe extra for some cats.
- Cats with kidney disease or other illness: hydration is part of medical care here. Your vet may recommend specific foods or fluid therapy, and home tricks should support, not replace, that plan.
A simple two-week plan
- Days 1–3: wash the bowl, switch to a wide, shallow one, and refresh the water daily.
- Days 4–7: add a second bowl in a quiet spot and mix a spoonful of wet food into one meal a day.
- Days 8–14: try a fountain if your cat is still not interested, and increase wet food slowly.
Change one thing at a time, so you can tell what helps.
How to tell it is working
Look for more or larger urine clumps in the litter box, a bowl that empties a little faster, and steady energy and appetite. The tracker on the homepage lets you log these habits day by day, which makes slow improvements easier to see. If there is no change after a couple of weeks, or if your cat gets worse, talk to your vet.
What not to do
- Do not force water into your cat's mouth with a syringe or dropper unless your vet shows you how. Water can go into the lungs.
- Do not give human electrolyte drinks, milk or sports drinks without veterinary advice.
- Do not use broth with onion or garlic. Both are toxic to cats.
- Do not change the diet suddenly. Mix new food in gradually over a week or more to avoid stomach upset.
Measure the change
To see how much your cat should be getting, try the PurrHydrate calculator. You can also note daily habits in the tracker on the homepage, so you can spot changes early.
For the amounts involved, see how much water a cat should drink.
This article is general information, not veterinary advice. If you are worried about your cat, contact your vet.