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Should Cats Drink Purified Water?

by Dr. Jonathan Doyle - Updated February 10, 2025
As cat owners, we all want the best for our furry companions. From their diet to their toys and overallwell-being, ensuring our pets are healthy and comfortable is a top priority. But one aspect of their health that is often overlooked is the water they drink. In this blog, we will dive into the topic of whether cats should drinkpurified waterand the potential benefits for your feline friends in the UK.
In the UK, we are fortunate to have access to clean tap water, but the quality can vary depending on where you live. Some areas may have higher mineral content or chlorine in the water, which might not be the best for your cat. This has led many cat owners to considerpurified wateras an alternative. But is it really the best option for your pet? Let’s explore this topic in more detail.

Understanding the Importance of Clean Water for Cats

Just like humans, cats need clean, fresh water to stay hydrated and healthy. Water plays a vital role in your cat’s digestive system, circulation, temperature regulation, and overall body functions. However, not all water is equal, and it’s important to choose the right type of water for your cat’s needs.

What Is Purified Water?

Purified water is water that has been processed to remove contaminants, chemicals, and impurities. This can be achieved through several methods such as distillation, reverse osmosis, or filtration. Purified water is often free from chlorine, minerals, and other substances that could be harmful to your cat.
a cat is drinking water
Purified water can come from various sources, but it’s usually filtered or treated to ensure that it is safe for consumption. Many commercial bottled waters, as well as water filtration systems , are designed to provide purified water that is cleaner and safer than regular tap water.

The Benefits of Purified Water for Cats

Cats are notorious for being picky drinkers. They can be quite particular about their water, often refusing to drink from bowls that they find unappealing. The taste and smell of water can play a big role in whether your cat will drink it, and this is where purified water comes in. Let’s look at some of the key benefits of providing your cat with purified water.

Improved Hydration

Cats often don’t drink enough water, which can lead to dehydration. This is especially true for cats that eat dry food, as they get little moisture from their diet. Purified water, with its clean taste and lack of chlorine or minerals, may be more appealing to your cat, encouraging them to drink more and stay properly hydrated.

Reduced Risk of Kidney Problems

One of the most common health issues in cats, especially older ones, is kidney disease. This can often be exacerbated by high levels of minerals in the water, such as calcium and magnesium, which are commonly found in hard tap water. By providing your cat with purified water, you can reduce the risk of kidney problems, as purified water is typically lower in minerals that can put stress on the kidneys.
a cat is drinking water

Preventing Urinary Tract Issues

Cats, particularly those on dry food diets, are prone to urinary tract problems. Drinking enough water is essential for maintaining a healthy urinary system. Purified water, free from contaminants and impurities, can help keep your cat’s urinary tract in good condition by encouraging proper hydration. It may also help prevent the formation of crystals or stones in the urinary tract .

Better Taste and Smell

Cats have a keen sense of smell, and they can often detect even slight differences in the taste or smell of water. If your tap water has a strong chlorine taste or smells off, your cat might avoid drinking it altogether. Purified water, being free from chlorine and other chemicals, typically has a cleaner taste and smell, making it more appealing for your cat.

Potential Risks of Purified Water for Cats

While purified water offers many benefits, it’s important to understand that, like anything, it should be used in moderation.

Over hydration Concerns

In rare cases, giving your cat too much purified water could lead toover-hydration, which may dilute the electrolytes in their body and cause a condition known as water intoxication .This is more likely to happen if your cat drinks excessive amounts of water in a short period, so it’s always important to monitor your cat’s drinking habits.
a cat is eating food

Should You Use Purified Water for Your Cat in the UK?

In the UK, the quality of tap water is generally good, and it is safe for humans to drink. However, tap water can vary depending on where you live. For example, areas withhard watermight have higher mineral content, which could potentially cause kidney strain in cats over time. Additionally, some areas may have chlorine or other chemicals in the water that could affect your cat’s health.
If you live in an area with hard water or you’re concerned about the quality of your tap water, purified water might be a good option for your cat. Using a water filter at home can help improve the quality of your tap water, or you can opt for bottled purified water if you prefer.

How to Encourage Your Cat to Drink More Water?

If you’re concerned about your cat’s hydration levels, here are a few tips to encourage them to drink more water, whether it's purified or tap water:

Offer Water in Different Bowls

Some cats are fussy about their water bowls. Offering water in different types of bowls (such as glass, ceramic, or stainless steel) can help you find the one your cat prefers. Avoid plastic bowls, as they can affect the taste and smell of the water.
a dog is eating food

Wet Food Diet

If your cat is hesitant to drink water, incorporatingwet foodinto their diet is an excellent way to increase their water intake. Wet food contains a significant amount of moisture, which can help keep your cat hydrated and support their overall health.

Place Water Bowls in Multiple Locations

Sometimes cats simply don’t drink enough water because their bowls are out of reach or in a quiet area. Try placing water bowls in different parts of your home, particularly in areas where your cat likes to spend time, to encourage them to drink more.

Conclusion: Is Purified Water the Best Option for Your Cat?

In conclusion,purified watercan be an excellent choice for your cat, especially if you live in an area with hard tap water or water that has a strong chlorine taste or odour. It offers several benefits, including improved hydration, reduced risk of kidney issues, and a better taste that may encourage your cat to drink more. However, it’s important to remember that water should be just one part of your cat’s overall health plan, which includes a balanced diet and regular veterinary care.
If you’re unsure whether purified water is right for your cat, consider consulting with your vet, who can provide advice based on your cat’s specific needs and the water quality in your area.

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