Can Guinea Pigs Drink Tap Water?

If you’re a new guinea pig owner, then you’ve probably asked yourself this question: “Can guinea pigs drink tap water?

It doesn’t matter if you’re a human, a plant, or an animal, water is the fundamental requirement in all of our lives. 

Just like us, guinea pigs need water to keep them alive. As many of us are aware, although it might not taste the best, we’ve drank tap water in the past with no issues. Many other animals can drink tap water perfectly fine. But, can the same be said for guinea pigs? Can guinea pigs drink tap water? 

Before we dive further into this topic, let’s take a look at why water is so necessary for guinea pigs especially, as well as which water is ideal for them.

Can Guinea Pigs Drink Tap Water?

Why Do Guinea Pigs Need Water

Almost every living thing life needs water, not just guinea pigs. Water is essential to life. Even the CDC, tells us that water is responsible for regulating temperature lubricating joints, plays a part in our spinal health, and so much more. This is why your guinea pig needs access to clean water at the very least. 

Guinea pigs regularly drink around 90 mL (3 ounces) of water at least per day. They make drink more or less depending on how hot it is or how dehydrated they may be. Disease or illness may increase or decrease the amount of water that they drink as well.

If you notice that your guinea pig drinks significantly more or much less water than usual, take them to a vet. Guinea pigs won’t endure long without water, and drinking an excessive amount of could be an indication of a medical issue. A veterinarian will be able to let you know if your guinea pig may have a potential health problem or not.

Can Guinea Pigs Drink Tap Water?

How Much Water Should Guinea Pigs Drink?  

Even though guinea pigs might not drink nearly as much water as we do, they can still drink a great deal of water.

If their environmental temperature is higher than usual, such as a summer day where your home might be warmer, they can drink more water than usual. As long as the environment that your guinea pig lives in is generally the same temperature, then they should be typically drink the same amount of water each day.

If your guinea pig is particularly active one day, it may even drink more than usual. This is normal, as they’re just trying to hydrate themselves. Other than that, medical issues may also affect how much water they drink.

It’s important to note when your guinea pig drinks too much or too little water, as it can be a much more serious issue and may require a visit to the vet.

Guinea Pig

What Kind of Water Guinea Pigs Should Drink? 

Water is usually water, most of the time. What we mean is, generally all forms of water that are safe for humans will usually be safe for guinea pigs in most situations. If you drink filtered water or even tap water, as long as you have no problems drinking it, then your guinea pig should be able to handle it just as well as you. Even bottled water is okay for guinea pigs. Although, whichever type of water you plan on giving them regularly, you can always check with the veterinarian to ensure that there is any problems doing so.

Room temperature water is typically preferred in most situations for most animals. You can even give them colder water, especially if on a sunny or particularly hot day that may affect your guinea pig’s internal temperature. Although, if you do happen to notice that they don’t drink as much water from your sink versus filtered water, then you might want to consider switching to the type that they prefer the most.

Guinea Pig Drinking Water

Can Guinea Pigs Drink Tap Water? 

As long as the tap water in your home is safe for you to drink, then the answer is yes, guinea pigs can drink tap water. Never give them water that may be contaminated, too hot, or sourced from any place dangerous. 

If you can drink the water, it is likely your cavy can as well. If the tap water at your home isn’t safe or causes other medical problems, don’t offer it to your pet.  

You can give them distilled water also. However, you should never give them refined water. Refined water is typically a poor choice for just about all pets.

Even though it might seem obvious, never give your pet water from outside that may contain parasites, bacteria, or other dangers that aren’t present in tap water.

What Else is There to Know?  

Even though certain foods or vegetables may contain water, it doesn’t necessarily mean that these are safe for your guinea pig. Your guinea pig should stick to foods specifically made for guinea pigs. Just because watermelon contains a lot of water, it doesn’t mean that you can throw in a piece of watermelon in their food bowl or water dish and call it a day.

There are plenty of guinea pig foods that are made specifically to keep them as healthy as possible. Many of these blends will contain nutrients that are very beneficial for your piggy.

It’s worth noting that there are a variety of vegetables that can be beneficial for them, but you shouldn’t feed them large amounts of it every single day. Regardless of how much fresh fruit or vegetables you give them, always remember that guinea pigs shouldn’t eat fruit or vegetables every day, especially not in great quantities. 

Hay is something that should always be an option for guinea pigs to eat. You should give them as much hay as they want, as it’s very beneficial for them and they eat plenty of it in the wild.

Additionally, there are pellets specifically formulated for guinea pigs that will contain just about every vital nutrient and vitamin that they need.

A general rule of thumb is to never give your pet something that they can’t find in the wild. We’re not talking about cat food or dog food, but more along the lines of don’t let them drink things like Gatorade, just because it might make you feel better. That’s just silly and ridiculous!

Guinea Pigs Shouldn't Drink Milk

Bad Drinks for Guinea Pigs 

Fresh and clean water with no additives is the best water for guinea pigs.  

Regardless of whether of these drinks below are fine for people; they should never be given to guinea pigs, ever. Most animals can’t digest processed sugar, and guinea pigs are no exception. High sugar or salt can potentially kill them, so never give them any of the following:

  • Soda 
  • Coffee 
  • Tea 
  • Juice 
  • Energy drinks 
  • Milk 
  • Wine
Guinea Pig Drinking Water

Important Rules to Follow When Giving Water to Guinea Pigs  

When giving your piggy water, there are a couple of important rules you should follow. These tips will ensure your guinea pig will be in the best health possible:  

  • Avoid putting salt or sugar into their water
  • Avoid giving them distilled water
  • Never give them alcohol or alcohol mixed in with water
  • Don’t allow them to drink any water with any additives in it

All things considered, guinea pigs can drink about 20% of their body weight in water every day. This may not seem like a lot to us, however, it’s a lot for them. 

Can Guinea Pigs Drink Tap Water

How Long Can Guinea Pigs Go Without Water? 

Guinea pigs should never be without fresh water, as they consistently need access to clean drinking water throughout the day.  

Make certain to check their water every so often. Check to ensure that your guinea pig is drinking enough or isn’t drinking too little or too much. As a general guideline for most pets and not just guinea pigs, change out their water each morning, regardless of whether it’s full or not. Guinea pigs can become ill if not hydrated.

Guinea Pig

Guinea Pigs, Water Bottles, And Water Bowls  

Guinea pigs are known for being somewhat chaotic with nourishment and water. In fact, they appear to appreciate blending the two. Guinea pig’ defecation can wind up anyplace guinea pigs walk, including nourishment and water bowls. That is one downside to bowls. Nevertheless, guinea pigs may drink more from a water bowl since it’s less work than a jug.  

If you settle on water bowls, pick a style that won’t tip, since some guinea pigs like to incline toward bowls or stroll over them. If you choose to offer water bottles, know that guinea pigs are well known for stopping up the tips with bits of nourishment. Watch that the tips are stopping up free every day.  

Regardless of whether you decide to offer water in suppresses or bowls is to you and your guinea pigs. Attempt both to perceive what your guinea pig crowd likes. One guinea pig may favor a water bowl and another might just drink from a jug. Some may like both. With straightforward perception, you can realize what your buddies like.  

Guinea Pig Water Bowl

Supplements and Water  


Many pet owners think that they can safely give their guinea pigs vitamin C droplets in their water. This is far from being safe! Your main goal should be trying to give them water in its most simple, yet safe form for them. Something as simple as a slight change in smell may cause your guinea pigs to not want any water at all, or make them drink considerably less, at the very least. Guinea pigs need water, and dehydration can lead to illness, or even death. 

Even though you might be trying to help them, you might actually be putting their health in danger! Avoid anything that may change the smell or taste of their water. 

Guinea Pig Drinking From Water Bottle

Keeping Water Bowls and Bottles Clean  

Always properly clean your guinea pig’s water bowls or bottles every so often. Check to make sure that no mold grows on anything in their enclosure. Microscopic bacteria can grow and potentially harm your piggy, so it’s important that they always have access to clean water.

You should also wash their bottle or bowl out every so often so that it doesn’t harbor any mold or bacteria. Many are dishwasher safe and are fairly simple to clean.

Can Guinea Pigs Drink Tap Water


All of us need fresh water in our daily lives. Tap water, while not the freshest and purest type of water, still is perfectly fine for guinea pigs.

With that said, depending upon where you live, Guinea pigs may or may not be able to drink tap water with no risks. If you’re in an area that doesn’t allow for human consumption of tap water, then in that circumstance, you shouldn’t give your guinea pig that water either.

Just keep in mind that clean and fresh tap water is necessary for your special little guinea pig. Any water you give them should be swapped out daily and they should never have any stagnant or old/dirty water. Ideally, you should use a water bottle or at least a bowl at the very least.