Spanish Mastiff Water Drinking Guide. Spanish Mastiff Water Calculator.

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How Much Water Should a Spanish Mastiff drink?

Hydrating your hound is very important since water makes up approximately 56 percent of an adult Spanish Mastiff`s body weight (73 percent of lean body mass). Water is an essential nutrient for your Spanish Mastiff`s existence.

Your Spanish Mastiff needs to drink the right amount of water that suits its age, weight, and activity level.

Drinking too much water is not good for your Spanish Mastiff, and neither is drinking too little water.

According to the recommendations by the vets at PetMD, a dog should drink, in milliliters, 50 times its weight in kilograms. That is, a 10 kg dog needs 500 milliliters of water (2.1 cups).

An adult Spanish Mastiff weighs 75.8 Kg (167.0 pounds), and therefore requires 3795.4 milliliters (128.3 ounces or 16.0 cups) of water every day, given that your dog is not a very active dog.

Essentially, the amount of water your Spanish Mastiff needs a day depends very much on how much your Spanish Mastiff weighs.

Also, the amount of water your Spanish Mastiff drinks depends on your Spanish Mastiff activity level. Very active dogs need more water than inactive dogs.

Use our Spanish Mastiff water calculator to estimate how much water your Spanish Mastiff should drink every day based on its weight and activity level.

The Spanish Mastiff is typically a medium-activity level dog breed. So, your Spanish Mastiff will drink an average amount of water compared to other dog breeds of similar weight.

Activity Levels in Dogs

To find out how much food you need to be feeding your Spanish Mastiff, check out our Spanish Mastiff feeding guide and food calculator.

How to Calculate How Much Water Your Spanish Mastiff Needs

Enter the weight and activity level of your Spanish Mastiff in the Spanish Mastiff water calculator below to estimate how much water your Spanish Mastiff needs.

Spanish Mastiff Water Calculator

Your Spanish Mastiff`s Weight:   

Activity Level:




Daily Water requirement:

*1 cup = 8 fluid ounces = 236.588 milliliters

Our Spanish Mastiff water calculator above is based on the dog water drinking recommendation provided by the vets at PedMD.com.

However, PetMD`s recommendation applies only to dogs with low activity levels.

However, our calculator goes further to provide recommendations on how much water Spanish Mastiffs of different activity levels (low, medium, and high) need.

In our calculator, a medium-activity level Spanish Mastiff needs one and a half as much water as a low-activity level Spanish Mastiff each day. Similarly, a high-activity level Spanish Mastiff needs twice as much water as a low-activity level Spanish Mastiff needs.

Check out our dog water calculator for all dog breeds here.

One way to improve your Spanish Mastiff`s water drinking experience is to buy your dog a water fountain.

A water fountain will also encourage your Spanish Mastiff to drink enough water.

This is because the continuously flowing stream of water with a fresh taste from a water fountain will entice your Spanish Mastiff to drink enough water.

Furthermore, pet water fountains continuously filter the water that it delivers to your dog. A water fountain ensures that your Spanish Mastiff has access to clean fresh filtered water all the time.

Giving your Spanish Mastiff water from a fountain is more hygienic than giving your Spanish Mastiff water from a water bowl.

This is because water in the water bowl usually lays around all day, getting polluted as it lays around.

Here are the best water fountains that we recommend for your Spanish Mastiffs. These water fountains are durable, made with food-grade materials, and operate very quietly with little noise:

  1. The PetSafe Drinkwell 2 Gallon Pet Fountain with Adjustable Stream. Click here to check price on Amazon.
    Dog Water Fountain
How to measure a cup of water for your Spanish Mastiff. Cup available here on Amazon

How Much Water Should a 151-Pound Spanish Mastiff Drink?

A 151-pound Spanish Mastiff should drink 174.1 ounces (21.8 cups) of water every day.

Spanish Mastiffs are generally high-activity dogs, and about 174.1 ounces is the amount of water a Medium Activity Level 151-pound Spanish Mastiff needs every day.

However, if your 151-pound Spanish Mastiff is a high-activity dog, then it will need about 232.1 ounces of water (29.0 cups) every day.

Similarly, if your 151-pound Spanish Mastiff is of low activity, then it will need about 116.0 ounces of water (14.5 cups) every day.

Use our Spanish Mastiff dog water calculator to find out how much water Spanish Mastiff should drink at different weights.

Low Activity Medium Activity High Activity
116.0 ounces (14.5 cups) 174.1 ounces (21.8 cups) 232.1 ounces (29.0 cups)
How Much Water a 151-pound Spanish Mastiff should drink

How Much Water Should a 46-week-Old Spanish Mastiff Drink?

The average weight of 46-week-Old Spanish Mastiff is 148 pounds (67.3 kg).

Learn how much 46-week-Old Spanish Mastiff should weigh here.

A 148-pound Spanish Mastiff should drink 170.6 ounces (21.3 cups) of water every day.

Spanish Mastiffs are generally high-activity dogs, and about 170.6 ounces is the amount of water a Medium Activity Level 148-pound Spanish Mastiff needs every day.

However, if your 148-pound Spanish Mastiff is a high-activity dog, then it will need about 227.5 ounces of water (28.4 cups) every day.

Similarly, if your 148-pound Spanish Mastiff is of low activity, then it will need about 113.7 ounces of water (14.2 cups) every day.

Use our Spanish Mastiff dog water calculator to find out how much water Spanish Mastiff should drink at different weights.

Low Activity Medium Activity High Activity
113.7 ounces (14.2 cups) 170.6 ounces (21.3 cups) 227.5 ounces (28.4 cups)
How Much Water a 148-pound Spanish Mastiff should drink

How Much Water Should a 5-month-Old Spanish Mastiff Drink?

The average weight of 5-month-Old Spanish Mastiff is 85 pounds (38.4 kg).

Learn how much 5-month-Old Spanish Mastiff should weigh here.

A 85-pound Spanish Mastiff should drink 98.0 ounces (12.2 cups) of water every day.

Spanish Mastiffs are generally high-activity dogs, and about 98.0 ounces is the amount of water a Medium Activity Level 85-pound Spanish Mastiff needs every day.

However, if your 85-pound Spanish Mastiff is a high-activity dog, then it will need about 130.6 ounces of water (16.3 cups) every day.

Similarly, if your 85-pound Spanish Mastiff is of low activity, then it will need about 65.3 ounces of water (8.2 cups) every day.

Use our Spanish Mastiff dog water calculator to find out how much water Spanish Mastiff should drink at different weights.

Low Activity Medium Activity High Activity
65.3 ounces (8.2 cups) 98.0 ounces (12.2 cups) 130.6 ounces (16.3 cups)
How Much Water a 85-pound Spanish Mastiff should drink

How Much Water Should a 43-week-Old Spanish Mastiff Drink?

The average weight of 43-week-Old Spanish Mastiff is 144 pounds (65.2 kg).

Learn how much 43-week-Old Spanish Mastiff should weigh here.

A 144-pound Spanish Mastiff should drink 166.0 ounces (20.7 cups) of water every day.

Spanish Mastiffs are generally high-activity dogs, and about 166.0 ounces is the amount of water a Medium Activity Level 144-pound Spanish Mastiff needs every day.

However, if your 144-pound Spanish Mastiff is a high-activity dog, then it will need about 221.3 ounces of water (27.7 cups) every day.

Similarly, if your 144-pound Spanish Mastiff is of low activity, then it will need about 110.7 ounces of water (13.8 cups) every day.

Use our Spanish Mastiff dog water calculator to find out how much water Spanish Mastiff should drink at different weights.

Low Activity Medium Activity High Activity
110.7 ounces (13.8 cups) 166.0 ounces (20.7 cups) 221.3 ounces (27.7 cups)
How Much Water a 144-pound Spanish Mastiff should drink

How Much Water Should a 6-month-Old Spanish Mastiff Drink?

The average weight of 6-month-Old Spanish Mastiff is 98 pounds (44.5 kg).

Learn how much 6-month-Old Spanish Mastiff should weigh here.

A 98-pound Spanish Mastiff should drink 113.0 ounces (14.1 cups) of water every day.

Spanish Mastiffs are generally high-activity dogs, and about 113.0 ounces is the amount of water a Medium Activity Level 98-pound Spanish Mastiff needs every day.

However, if your 98-pound Spanish Mastiff is a high-activity dog, then it will need about 150.6 ounces of water (18.8 cups) every day.

Similarly, if your 98-pound Spanish Mastiff is of low activity, then it will need about 75.3 ounces of water (9.4 cups) every day.

Use our Spanish Mastiff dog water calculator to find out how much water Spanish Mastiff should drink at different weights.

Low Activity Medium Activity High Activity
75.3 ounces (9.4 cups) 113.0 ounces (14.1 cups) 150.6 ounces (18.8 cups)
How Much Water a 98-pound Spanish Mastiff should drink

Other Factors that Affects How Much Water Your Spanish Mastiff Needs

In addition to its weight and activity level, your Spanish Mastiff may need more or less water depending on other factors in your Spanish Mastiff`s life such as:

  • The weather: Spanish Mastiffs need more water during the hot summer than in the cold winter.
  • Your Spanish Mastiff`s Diet: Spanish Mastiffs that eat moist/wet food will require less water than Spanish Mastiffs that eat dry food (kibble). Wet dog food contains 65-80% water, while dry dog food contains 10-12% water.
  • Your Spanish Mastiff`s age: Senior Spanish Mastiffs are generally more laid back than younger Spanish Mastiffs, therefore senior Spanish Mastiffs need less water.
  • Pregnant Spanish Mastiffs and lactating Spanish Mastiffs: These need more water than normal.
  • Spanish Mastiffs on Medication: Certain medications may make your Spanish Mastiff drink more water.

Spanish Mastiff Not Drinking Enough Water

If your Spanish Mastiff is not drinking enough water, then your Spanish Mastiff is at risk of dehydration, and the problems that come with dehydration.

Problems that come with your Spanish Mastiff not drinking enough water include urinary tract issues like kidney stones and organ failure.

Your Spanish Mastiff may be drinking less water than usual because of the following reasons:

  • Your Spanish Mastiff has limited access to fresh clean water.
  • You changed your Spanish Mastiff`s food (e.g. from dry food to wet food)
  • You changed your Spanish Mastiff`s water source
  • The weather is cooler than it used to be
  • Your Spanish Mastiff is less active than it used to be
  • Your Spanish Mastiff is growing old

If none of these applies to your Spanish Mastiff, then it might be that your Spanish Mastiff has an underlying health condition and you might want to talk to your vet.

Also, your Spanish Mastiff may drink less water if it does not have access to clean fresh water always.

Some dogs are picky drinkers, and they won`t drink water that is not fresh or water with dirt and debris in it.

If your Spanish Mastiff is a picky drinker as such, then you should consider getting your Spanish Mastiff a water fountain like one of these. A water fountain will entice your Spanish Mastiff to drink water. With a water fountain, you can be sure that your Spanish Mastiff will have access to fresh clean water always.

Also, oral infections such as tooth decay, gum decay, and broken tooth are some of the reasons your Spanish Mastiff might not be drinking enough water.

Check your Spanish Mastiff`s mouth for any oral infection. When checking your Spanish Mastiff`s mouth, pay attention to the smell of your Spanish Mastiff`s breath to make sure that your Spanish Mastiff does not have bad breath as bad breath could be a sign of oral infection.

Furthermore, if you recently changed your Spanish Mastiff`s water source, and your Spanish Mastiff starts drinking less water, then you might want to change back to the old source.

Spanish Mastiff Drinking Too Much Water

Your Spanish Mastiff may be drinking too much water simply because you give it unrestricted access to water. Also, your Spanish Mastiff may be drinking too much because it has a health problem such as diabetes.

If your Spanish Mastiff is drinking too much water, then your Spanish Mastiff is at risk of overhydration and the problems that come with overhydration.

Problems that come with water overhydration in dogs include staggering, loss of coordination, vomiting, dilated pupils, over salivation, and stomach bloat.

Excessive and unexplainable thirst in your dog is called polydipsia. Polydipsia makes your dog drink more.

Ordinarily, when your Spanish Mastiff drinks too much water for just a day or two, there may be nothing to be worried about. However, if this condition persists, you should see a veterinarian.

Also, if your Spanish Mastiff is drinking too much water, then your Spanish Mastiff will need to urinate frequently and take unnecessary bathroom breaks. This can be an inconvenience for your if you have to take your Spanish Mastiff out of the house for its bathroom breaks.

If your Spanish Mastiff is drinking too much water for no obvious reason, talk to your vet. However, if your Spanish Mastiff is drinking too much water because it has access to water, then limit your Spanish Mastiff`s access to water.

Do Spanish Mastiffs Drink a Lot of Water?

The amount of water a Spanish Mastiff needs is proportional to the Spanish Mastiff`s body weight and activity level. Older bigger adult Spanish Mastiffs drink a lot of water compared to younger smaller Spanish Mastiffs.

Also, Spanish Mastiffs that are not very active drink a lot less water than very active Spanish Mastiffs. Also, Spanish Mastiffs drink lots of water in the hot summer months than in the cold winter months.

To find how much water your Spanish Mastiff should be drinking, use our Spanish Mastiff dog water calculator to estimate your Spanish Mastiff`s daily water needs.

How to Tell if Your Spanish Mastiff is Drinking Too Much, Too Little, or Enough Water

A simple way to check if your Spanish Mastiff is drinking too much, too little or enough water is to first measure a large volume of water (many cups).

Then, at the start of the day, pour this water into your Spanish Mastiff`s bowl so that your Spanish Mastiff can drink water without a limit.

Then, in the evening, measure the amount of water left in your Spanish Mastiff`s water bowl.

Then, subtract the amount of water left in the bowl in the evening from the initial amount of water that you put in the bowl in the morning. This will give you how much water your Spanish Mastiff has drunk.

Finally, use our Spanish Mastiff dog water calculator to check to see how the amount of water your dog has drunk compares with how much water your dog should be drinking for its size and its activity level.

This will tell you if your dog is drinking too much, too little, or just enough water.

Then you can switch to giving your Spanish Mastiff water with a water fountain.

How To Tell If Your Spanish Mastiff is Dehydrated

If your Spanish Mastiff is not drinking enough water she may become dehydrated. Dehydration in dogs can have mild to severe consequences. Always be on the watch to prevent the accidental dehydration of your Spanish Mastiff. Here are ways to know if your dog is dehydrated:

  • Check her gums: Press on her gums and release it; if it quickly becomes pink back, she is not dehydrated. If it remains white, she may be dehydrated.
  • Loss of skin elasticity: You can check your dog`s hydration level by pinching her skin. If her skin goes flat right away, that is a sign that your dog is properly hydrated. However, if it takes several seconds for your dog`s skin to go flat after a pinch, then that could be a sign that your dog is dehydrated.
  • Weakness and low activity: A dehydrated dog will be weaker and less active than usual.
  • Dry mouth: If your dog`s mouth is dry or if your dog salivates less, then she may be dehydrated and need water.
  • Dry Nose

Conclusion

To keep your Spanish Mastiff in good health, you need to keep your Spanish Mastiff hydrated. Therefore, you need to keep an eye on your Spanish Mastiff`s water intake to make sure your Spanish Mastiff is getting the right amount of water that it needs.

To encourage your Spanish Mastiff to drink enough water, make sure that your Spanish Mastiff has access to clean water all the time.

A good way to ensure your Spanish Mastiff has clean water available to it is to invest in a good water fountain like one of these.

If you think your Spanish Mastiff is drinking an unusual amount of water (too much or too little), then do not hesitate to speak with a pet vet.