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Horse Water Trough: What you need to know & 5 Best Options

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Every morning we wake and go to the barn to feed our horses, wash out their water buckets and refill them with fresh water. For those in the pasture, I check the troughs’ water level and add more if needed. Your animal’s water containers must be durable, clean, and safe.

The best horse water troughs are sturdy and easy to clean. They are typically made of metal, plastic, or rubber. Some come with a float valve that adds water when it drops below a set level. In our horse stalls, we primarily use buckets but did have automatic waterers in one barn.

Water troughs are essential to keep your horses hydrated by providing fresh drinking water in pastures, paddocks, or barns. They also let you monitor your horse’s water intake, which is vitally important.

Picture of a horse drinking from a water trough,

In this guide, we discuss different kinds of watering options for horses. In particular, I cover:

  • Best automatic waterer for horses
  • Best troughs for pastures
  • Best water buckets for horse stalls
  • Why horses need a water trough
  • Do horses need water at all times?
  • Where to locate your horse trough?
  • And more…

Best Water Troughs for Fields and Pastures

Best overall water troughs for pastures and paddocks: Rubbermaid Stock Tank,

If you keep your horse in a pasture, you need a large, durable water trough. We’ve used many types, and for me, the most critical features are capacity, durability, and easy draining. This Rubbermaid water trough checks all the boxes.

Rubbermaid stock tanks are available in different sizes, from 50 to 300 gallons. These ergonomic and ultra-durable troughs are ideal for watering horses and have myriad uses. It also comes with an easy-to-use drain plug, which is makes cleaning and moving it easy.

Features

  • Made using durable polyethylene resin
  • Molded-in rim eliminates hurting your hands while handling and also the horses’ lips
  • All troughs over 100 gallons comes with a drain plug and you can order a water level control separately that fits all the tanks.
  • Dimensions -58 x 39 x 25 inches Oval shape.

Pros

  • Ergonomically designed and difficult to flip
  • Sturdy and well-built
  • Drain plug included on models of 100 gallons or more.
  • Easy to clean

Cons

  • The drain plug is easy to strip out so be careful when screwing it back.

Best galvanized water troughs for fields and pastures –  CountyLine Galvanized Oval Stock Tank

I don’t particularly like galvanized water troughs because most will develop a leak at its seams. Plus, most don’t have a drain plug and often rust. But if you’re determined to get a galvanized water trough, I recommend the oval CountyLine stock tank.

It can hold 100 gallons, and you can pick it up at your local Tractor Supply store. I find Tractor Supply has a good return policy plus the manufacturer offers a 1-year warranty. Here are some of its salient features:

Features

  • 2 ft. W x 2 ft. H x 4 ft. L stock tank
  • Made with hot dipped galvanized steel and zinc coating for watertight seal
  • 1 year limited warranty

Pros

  • Sturdy and durable
  • Leak proof and rust resistant
  • Multi-purpose – can be used for more than watering horses
  • Easy to clean
  • Does not get tipped over by horses

Cons

  • The finish is a bit rough. Some horses’ lips get scraped when they drink. So you may need to file down the rough edges.

Best Water Buckets for Horse Stalls

Horze Flat Back All Purpose Bucket

Picture of a water bucket

I like to use flat back buckets in my horse stalls because they stay in place better than your typical round buckets. Horze makes a durable one, and it’s marked on the side to indicate quarts, gallons, and liters, which is helpful when mixing supplements.

Here are some of the other great features:

  • 2.5 gallon capacity
  • Strong galvanized bail and eyelet assembly
  • It’s thick enough to resists collapsing from the weight of liquids
  • It has a handy handgrip on the bottom for easy pouring
  • Made of a durable rubber blend for exceptional strength even at low temperatures

Little Giant Plastic Animal Feed Bucket 

Little Giant also makes a good water bucket, it’s a little more expensive than the Horze buckets, but these are available on Amazon. Both are suitable buckets, but besides seeing these used in others barns, I haven’t used them.

However, I did talk to a trainer and some of my friends that use these buckets and they claim they are incredibly sturdy and well-made, and the metal handle is a thicker gauge than most buckets. It also has plastic covers over the ends of the handles.

It is versatile, and you can put it to numerous uses.

Features

  • Available in various sizes like 2 gal, 5 gal, and 5.5 gal and nearly 13 attractive color choices
  • Made with polyethylene resin
  • Wire bail for hanging

Pros

  • Easy to stack with similar buckets/buckets from the same brand
  • Notch on handle facilitates easy hanging
  • Sturdy and durable
  • Value for money
  • Great for gifting

Cons

  • The handle isn’t easy on the hands.

Best automatic waterer for horses 

Automatic waterers are a great way to ensure that your horses have access to clean water, but it is crucial to select one that is well designed. Several factors should be considered when choosing an automatic waterer, including float design, construction material, and size.

I didn’t have good luck with our automatic waterer. First, it had a small bowl that held just a little water, so it needed to run constantly when the horses were drinking. Next, the float got stuck in the upright position often and didn’t release water.

The waterer was made from galvanized steel and was hard to clean. To wipe behind the flap, I had to remove the entire waterer from the stall wall and take it apart. Another problem you can run into is dripping over the edge.

If these are not installed level, some will constantly leak. I moved away from using automatic waterers in our stalls. I strongly suggest you consider these factors when picking out an automatic water trough for your horse.

RabbitNipples Automatic Farm Grade Stainless Steel Horse Waterer

The RabbitNipples automatic waterer has some features I don’t like, such as the small bowl, but it is made of stainless steel, which I like better than the galvanized ones I had in my barn. But I still have concerns about the float.

However, customers love this automatic waterer, and if you intend to try one, this is the one I suggest. It has numerous features that make it a bestseller:

Features

  • Dimensions: – 11.5″ w x 10″L x 5″ d
  • Reversible water inlet – can be attached to the right
  • Made with rust-resistant stainless steel

Pros

  • Multi-purpose: can be used for horses, cows, goats, etc.
  • Steady pressure and safe operation at 1 to 50 psi
  • Can be installed easily
  • Rust-resistant

Cons

  • Plumbing parts are made of plastic. Some did not last long.
  • No drain provided. Cleaning and emptying out dirty water is tedious.

Why Do Horses Need a Water Trough?

Horses need reliable and sturdy water troughs for the following reasons:

#1. Health

All horses need a continuous supply of fresh, clean water for nearly all life processes -especially digestion. When horses get dehydrated from a lack of water they can’t absorb the nutrients it consumes through its food. Water also helps the forage move through its intestines, processes it, and breaks down the concentrated grain products.

#2. Prevents water wastage

High-quality troughs can save water. Many horses play with their water tanks and even tilt or toss out the water. A high-quality, sturdy trough can prevent this as horses can’t tip them over.

#3. Prevents impurities in water

A good trough with a drain hole or an automatic waterer with a filter can prevent debris in the water. Many horses drop grass or hay in water which sinks to the bottom of troughs and rots. A trough with a drain hole can help you easily remove the contaminated water and easily refill it with fresh and clean water.

Do Horses Need Water at All Times?

According to the Kentucky Equine Research, an 1100-lb horse will consume 5-12 gallons of water per day. A horse’s water intake depends on many factors. 

These include:

#1. Diet

  • A horse that consumes an all-hay diet will drink more water than one that is on a pelleted diet.
  • Likewise, a horse that consumes more salt will drink more water since salt stimulates urine.
  • Horses on high-protein diets also tend to need more water to expel out the nitrogen.

#2. Physical condition and overall health

  • A fat horse will take in less water than a horse having a good body conditioning score.
  • Horses that are regularly exercised will also take in more water to replenish the water lost through urine.
  • A lactating mare loses water through milk and will need more water too.

#3. Exercise

It is essential not to allow a heavily-exercised horse to drink too much water right away. This can result in water founder. Only allow a sweaty, tired horse to have a few sips of water. Let its body cool down entirely, after which you can make a free choice of water available again.

#4. Weather

Horses in freezing conditions will intake less water than those in hot and humid conditions. While they do not drink too much water in winters, horses still need a fresh supply of water. They cannot survive by eating ice and snow. That is why a water trough with a heater is necessary to prevent the water in the trough from freezing over.

Where to Locate Horse Water Trough?

Here are some tips for optimum water trough placement: 

  • Locate the water trough in an area with good natural drainage.
  • In pastures having multiple horses, locate several water troughs in multiple places so they can drink at the same time. This is important to prevent aggressive behavior and injuries at the trough.
  • In an open pasture, locate the trough on gravel and make sure that the gravel extends at least 10 ft. beyond the trough. This will prevent the ground underneath it from turning into a mudhole.
  • I typically put my trough against a fence and near a water spicot so that it’s easy to fill. Some people suggest keeping it away from fences to prevent cats, coons, and other animals from drinking but I disagree with this.
  • Check the water troughs regularly and remove debris, dead rodents, etc. right away.

Can Horses Get Sick from Drinking Dirty Water?

Yes, horses could get sick from drinking contaminated or dirty water. Dirty water can lead to loose, watery stools (diarrhea), colic, and in worse cases, even poisoning in horses. A horse could even die after drinking contaminated water.

How to Keep Horse’s Water Clean? How Often to Clean Horse Buckets and Troughs?

If you don’t keep your horse’s water clean, it can turn sour-smelling, and your horse might stop drinking altogether. This can invite a host of problems. The best ways to keep your horse’s water clean are as follows:

  • Locate the water troughs away from posts where rodents and birds’ droppings cannot fall in.
  • It is best to keep the troughs in the shade, as scum and algae form more quickly in sunlight.
  • You can use automatic waterers that come with filters. These ensure clean and fresh water for the most part. However, even automatic waterers need a thorough cleaning from time to time.
  • Check your horse’s water trough daily and give it a good scrubbing regularly to remove algae and mold. Use a wire brush to prevent algae from coating the sides and bottom of the tank.
  • Remove all the floating debris immediately before it sinks to the bottom of the trough. 
  • Add products like Airmax Stock Tank Defense Dissolving Tablets which add beneficial bacteria to the water and also remove debris. It can also improve the trough water’s clarity. 
  • Some people add fish like goldfish to horse water troughs. These keep the water clean as the fish eat mosquito larvae and other pests.

How Often to Clean Horse Buckets and Troughs?

I typically clean stall water buckets every day, it doesn’t take long to do, and it’s a good practice. For pasture water troughs, I clean them when they need cleaning. For some, it may be once a week and others monthly.

How often the trough needs cleaning depends on where the trough is kept, the time of year, and how much water the horses drink.

To clean stall buckets, all you need to do is rinse them out and wipe them out with a rag or sponge. To clean a pasture trough, drain all the water and squirt some dawn or other dishwashing detergent inside the trough, and add water. Next, use a brush or mop to wipe it down well, rinse it and let them dry in the bacteria-killing sunshine.

I’ve had a couple of picky horses that refused to drink unless they had fresh, clean water, which wasn’t a problem when I had them in the barn, but when I turned them out in the pasture, they wouldn’t drink from the trough. So I hung a clean bucket of water on the fence for them.

 Are Automatic Waterers Good for Horses?

Automatic waterers come with their sets of pros and cons. Some horse owners believe they are the best way to provide fresh water, but I don’t see it this way. When I used automatic waters, they often jammed and would flood the stall.

And we have clay floors in our stalls with wood shavings, so the water caused a serious mess. But I have friends who swear by them; here are the benefits they tout:

#1. Clean water

With automatic waterers, water gets replenished in the drinking pot each time your horse drinks. This ensures a clean supply of water at all times. Also, such systems come with filters that clean away debris, sediments, and even chemical impurities from water.

#2. They keep horses better hydrated

A good automatic waterer will ensure that your horse/s are always hydrated. This can reduce colic, improve digestion, and also their performance.

#3. Better for the owners

Refilling horse water troughs can be a chore, especially if you keep several horses. With automated water refill systems, you can prevent this refilling. They are also easier to clean compared to cleaning several water buckets and troughs.

#4. Deters mosquito breeding

Water troughs and open water buckets are a sure-fire invitation to mosquitoes and other pests. Mosquito larvae flourish in the breeding grounds created by water troughs. Automatic waterers have a smaller surface area with water, and they also have flowing water which deters these pests.

#5. Can save money and precious water

Many farm owners leave the hose on accidentally – sometimes all night – when they forget to switch it off while refilling troughs. With automatic systems, you avoid this problem and save water.

FAQs

How big a water trough does a horse need?

The size of a water trough depends on how many horses are drinking from it and the size of your pasture. If you keep several horses, you need a large trough of 150-gallon capacity. For 1-2 horses, a small trough of 25 gallons should be adequate.

Do horse water troughs rust?

Metal troughs can rust. So, look for troughs made of galvanized steel (zinc coating); this helps prevent rusting.

How much does a horse water trough cost?

A 300 gallon Rubbermaid horse trough cost close to $400, and a 16 gallon Behrens galvanized steel trough cost $70. There is a wide range in prices depending on their material and size.

Conclusion & Final Recommendation

Horses need a reliable source of drinking water. Depending on the number of horses and the size of your pasture, factors like whether your horses are stabled, etc., you can choose the best watering system for your horses.

Horse water troughs are the preferred watering choice in horse husbandry. Many horse owners also keep large water buckets for individual horses. Some others go in for automatic water systems.