Little Giant Automatic Animal Waterer - 4 Gallon Float Controlled

In this review of the Little Giant Automatic Animal Waterer the bottom line is simple: it is a practical, easy-to-install refill solution for small herds and individual large animals that need reliable access to water. The most compelling reason to buy is the float controlled refill mechanism, which keeps the 4 gallon tank at a steady level without daily intervention, making it ideal for busy farms, paddocks, or small hobby ranches.

Key Features

• Float controlled refill: The float valve automatically refills the tank as water is used so animals have consistent access without manual topping off.
• Standard hose connection: Connects to a 3/4 in garden hose for quick hookup using common fittings and the included 30 in hose with a female attachment.
• 4 gallon capacity: Holds enough water for a few large animals between refills, reducing the need for frequent checks or deliveries.
• Fence or wall mounting: Includes metal brackets for over-the-fence or on-the-wall mounting so it can be positioned where animals can reach it easily.
• Multiple color options: Available in Blue, Green, Black and Red to match existing facilities or to make units easier to spot in busy yards.

Who It's For

This waterer is best suited to small farms, hobby ranches, and horse owners who need a low-effort way to provide fresh water to a few large animals. It works well in paddocks, stalls, or small pastures where a 4 gallon reservoir will meet consumption between checks.

Those managing large commercial herds or locations that require heavy-duty, welded steel troughs for dozens of animals should look elsewhere; the Little Giant is designed for moderate use and convenience rather than large-scale watering systems.

Pros & Cons

Pros

• Simple float controlled refill reduces daily maintenance for owners of horses and cattle.
• Easy hookup with a standard 3/4 in hose and included 30 in female hose section makes installation straightforward.
• Lightweight design and included metal brackets enable flexible fence or wall mounting where animals can access the bowl.

Cons

• Some users report concerns about leakage and variable long-term durability, so heavier commercial use may expose weaknesses.
• The 4 gallon capacity may be small for larger groups of animals or very hot climates where consumption is high.

Specifications

Our Verdict

The Little Giant Automatic Animal Waterer is a convenient, cost-effective option for owners of one to a few large animals who value low-maintenance hydration. Its float controlled refill and simple hose hookup offer dependable day-to-day performance, though buyers looking for heavy commercial use should consider more rugged alternatives. Overall, it represents good value for small-scale farm and equine setups.

Frequently Asked Questions

How does the waterer refill?
The unit uses a float controlled valve that opens to refill the tank from a standard 3/4 in hose when the water level drops.

Can it be mounted on a fence?
Yes, metal brackets are included for over-the-fence or on-the-wall installation, though mounting hardware is not provided.

Is the 4 gallon capacity enough for horses?
For one or two horses it is generally adequate between checks, but larger groups or hot conditions may require larger capacity or multiple units.