Choosing the right 50 gallon poly tank can improve storage, portability, and reliability for water and other non-flammable liquids. This guide highlights five durable options designed for farm, RV, and outdoor use, with quick access to product specs and installation features. Each entry summarizes capacity, material, and sealing or drain provisions to help compare at a glance.
| Product | Brand | Capacity | Key Feature |
|---|---|---|---|
| RTS Plastics Rotomolded Polyethylene PCO-50 | RTS Companies Inc. | 50 Gallons | Vented cap, molded grad strips, siphon elbow |
| RomoTech 82123919 Horizontal Square Reservoir | RomoTech | 50 Gallons | Clear Gallon/Liter marks, built-in bulkhead, 3/4″ NPT outlet |
| RomoTech 82123915 50 Gallon Water Tank | RomoTech | 50 Gallons | molded marks, 3/4″ NPT outlet, bulkhead |
| Norwesco 50 Gallon Multi-Purpose PCO Tank | Norwesco | 50 Gallons | UV-stabilized, versatile for liquids, durable polyethylene |
| Class A Customs | T-5000 | 50 Gallon Tank | Class A Customs | 50 Gallons | NSF materials, two 1.5″ NPT fittings |
RTS Plastics Rotomolded PCO-50 Gallon Tank
RTS Plastics offers a 50-gallon rotomolded polyethylene tank designed for water and non-flammable liquids. Key features include a vented cap to simplify pump hookup and prevent vacuum lock during transfers, molded-in gallon grad strips for quick level monitoring, and a siphon elbow for complete drainage. The tank body uses seamless rotomolded construction, providing durability against impact, weather, and chemical exposure. Strap grooves enable secure mounting for transport or stationary setups, and the pre-installed bulkhead fitting allows quick hose or valve connections. Ideal for outdoor use on farms or facilities requiring reliable liquid storage.
Chapin USA 98142 40-Gallon Water Tank
While slightly smaller at 40 gallons, Chapin’s translucent utility water tank supports on‑the‑go water storage with visibility of liquid levels. It’s designed for easy transport via trucks, tractors, or trailers, and includes a 6-inch cap with a 2-inch drain and a 3/4-inch molded port compatible with standard garden hoses for rapid draining. The tank is manufactured in the USA with US-based support and a one-year limited warranty, and the material offers chemical resistance with nitrile seals for water containment.
RomoTech 82123919 50 Gallon Horizontal Square Reservoir
This 50-gallon horizontal square tank from RomoTech features clear molded gallon and liter marks for convenient level checks. The natural UV-stabilized poly body resists sun exposure and corrosion, making it suitable for outdoor use in farms, work sites, or RV storage. It includes an oversized lid opening and a built-in bulkhead fitting with a 3/4″ NPT outlet, enabling quick refilling, siphoning, and hose hookups for portable water applications. The tank is designed to be durable in varying outdoor conditions while maintaining a low profile for space-constrained installations.
RomoTech 82123915 50 Gallon Water Tank
RomoTech’s 50-gallon horizontal square tank emphasizes molded gallon and liter marks for level indication and a translucent natural poly look. It is UV-stabilized and rust-resistant, designed to withstand outdoor use across farms, work sites, or trailer setups. The storage solution features an oversized 5 1/2″ lid, a 3/4″ NPT bulkhead outlet, and built-in fittings to support efficient fill, siphon, and hose connections. It serves as a rugged, portable water tank suitable for pressure washing or general liquid storage in outdoor environments.
Class A Customs T-5000 50 Gallon Water Tank
The Class A Customs 50-gallon tank is NSF-approved for fresh water use and is suitable for fresh or gray water storage. It measures approximately 38.25 inches long with a flexible mounting orientation, allowing placement on multiple sides. The tank includes two 1.5″ female NPT fittings and two 0.5″ female NPT fittings for flexible plumbing options. The construction emphasizes watertight sealing and compatibility with a range of fittings, making it a robust choice for RVs, concession trailers, and on-site water systems.
Buying Guide: 50 Gallon Poly Tank Purchase Considerations
- Material and durability: Look for UV stabilization and chemical resistance to extend outdoor life and handle various liquids without degradation.
- Fittings and openings: Consider the size and number of NPT ports, bulkhead fittings, and the ease of drain access for your intended workflow.
- Transparency and monitoring: Galvanized or molded gallon marks help track liquid levels without opening the tank, reducing spill risk.
- Portability vs. stability: Larger tanks offer more capacity but may require secure mounting; choose a design with strap grooves or stable bases for your setup.
- Intended liquid type: If storing potable water, ensure NSF or equivalent certification and compatible seals; for non-flammable liquids with low compatibility concerns, prioritize corrosion resistance.
- Installation environment: Outdoor exposure, weather conditions, and heat can affect performance; select UV-resistant, weather-proof options for long-term use.
- Warranty and support: US-based service and warranty coverage are helpful for troubleshooting and replacement parts.