If you’re seeking versatile, durable stock tanks near the 600-gallon range, this guide highlights ready-to-use options and practical considerations. These selections cater to livestock water and feed needs, outdoor pool use, and heavy-duty cleanups. Best for ranchers, small farms, or rural households with large animals, these tanks balance capacity, durability, and maintenance. The table below summarizes five strong choices and their core strengths.
| Product | Approx. Capacity | Best For |
|---|---|---|
| Rubbermaid Commercial Products Stock Tank 300-Gallon | 300 gallons | Mid-to-large livestock water/food troughs; rugged outdoor use |
| Rubbermaid Commercial Products Stock Tank 150-Gallon | 150 gallons | Smaller herds, pet washing, portable cleanups |
| Tarter Oval Ultra 170-Gallon Stock Tank | 170 gallons | Compact cattle or livestock water needs with sturdy build |
| API Stock Tank De-Icer | 1500 watts (heater) | Preventing ice and maintaining water access in winter |
| Rubbermaid Commercial Products Stock Tank 50-Gallon | 50 gallons | Small-scale tasks, dog wash, or portable trough for mixed uses |
Rubbermaid 300-Gallon Structural Foam Stock Tank

Overview: This large, durable stock tank uses rigid-cell structural foam for long-lasting outdoor performance. It’s a go-to choice for substantial livestock water or mixed-use tasks. Best for buyers prioritizing heavy-duty construction and a lengthy warranty.
- Durable rigid-cell construction for all-weather reliability.
- Category-leading 10-year limited warranty.
- Made in the USA, reflecting strong domestic manufacturing standards.
Best for: Ranchers and farmers needing a robust 300-gallon trough capable of withstanding harsh outdoor conditions. Choose this if you want a high-durability tank with a long warranty. Caution: Heavier weight may require two-person setup and proper base support.
Rubbermaid 150-Gallon Structural Foam Stock Tank

Overview: A mid-size structural foam tank that balances capacity and portability. Suitable for medium-sized herds, outdoor wash stations, and canine cleaning setups. It pairs well with space-conscious farms or rotational grazing operations.
- Durable construction for varied weather conditions.
- 10-year warranty and USA-made manufacturing.
- Great as a compact, versatile trough for mixed-use tasks.
Best for: Operators who need a reliable 150-gallon option that’s easier to move and install than larger troughs. Limitation: Not enough capacity for very large herds or extended water storage without frequent refills.
Tarter Oval Ultra 170-Gallon Stock Tank

Overview: The oval design maximizes interior volume while keeping footprint manageable. An economical choice for moderate livestock needs and feeding setups. Best for buyers who want a rugged, do-it-yourself-friendly tank with a classic form.
- Stock Tank built for durable outdoor use.
- Simple, proven design with straightforward maintenance.
- Best for: Small to mid-sized herds or mixed-use applications.
Limitation: The data available doesn’t specify a multi-year warranty; consider location-based durability expectations and inspection routines.
API Stock Tank De-Icer

Overview: A 1500-watt floating de-icer designed to keep stock tanks ice-free in freezing conditions. Helps ensure water access for livestock during winter. Best for buyers who need a robust solution to prevent ice and maintain hydration year-round.
- Buoyant enclosed float that remains at the water surface.
- Stainless steel heating element to resist rust and corrosion.
- 6-foot anti-rub power cord for installation flexibility.
Best for: Farms in colder climates where winter access to liquid water is essential. Limitation: Requires electrical hookup and ongoing energy use; ensure outlet safety and weather protection.
Rubbermaid 50-Gallon Structural Foam Stock Tank

Overview: A compact option in the same durable structural foam family, suited to small-scale tasks, pet care, or portable cleaning setups. Best for buyers needing a lightweight trough for occasional use or limited space.
- Durable construction and a USA-made build.
- Helpful as a secondary trough or temporary station.
- Best for: Small farms, pet-care stations, or as a secondary water source.
Limitation: Not designed for large herd water storage; plan storage and rotation accordingly.
Buying Guide: Key Considerations for 600-Gallon Stock Tanks
- Capacity versus space: A 300-gallon tank may fit a mid-to-large herd, but assess pasture space, water turnover needs, and refill frequency. For very large herds, multiple tanks or larger custom options may be needed.
- Materials and durability: Structural foam tanks offer impact resistance and weather tolerance. Look for UV resistance, made-in-the-USA construction, and warranties that match your workload.
- Winter readiness: If you operate in freezing conditions, consider an immersion or floating de-icer, proper electrical safety, and cord management to maintain access to liquid water.
- Portability and installation: Heavier tanks require solid bases or platforms. Smaller tanks are easier to move for seasonal grazing or yard cleanup.
- Maintenance and cleaning: Smooth interiors reduce residue buildup. Accessories such as covers or washing tools can simplify routine cleaning and reduce maintenance time.
- Usage versatility: If you need a tank for both livestock and non-animal tasks (like cleaning or pool use), choose a tank with wide compatibility and easy draining.
Frequently Asked Questions
- What size stock tank is closest to 600 gallons?
– There is no exact 600-gallon model in the listed options, but 300-gallon and 170-gallon tanks cover substantial capacity for mixed-use tasks and can be combined with multiple tanks to approach higher totals. - Which tank is best for winter livestock water?
– The API Stock Tank De-Icer is a practical add-on for preventing ice, ensuring access to water in cold weather. - Are Rubbermaid stock tanks made in the USA?
– Yes, Rubbermaid stock tanks in the listed lineup are described as made in the USA. - Should I choose a round or oval tank?
– Oval tanks typically maximize interior volume in a compact footprint, while round tanks offer straightforward cleaning and mounting options. Your space and herd layout influence the choice. - Is a larger tank always better for a large herd?
– Not necessarily. Consider water turnover, refilling frequency, fencing, and pasture size. Smaller tanks used efficiently can meet demand with proper rotation. - Do these tanks require special bases or stands?
– A solid, level base is recommended to prevent tipping and ensure even loading. Heavier tanks may need a reinforced surface or platform.