Choosing a reliable water storage solution for RVs, campers, and portable setups requires evaluating capacity, material, and installation options. The following five options provide 50-gallon capacities (approximately 189 liters each) and related features suitable for fresh or gray water storage. Each product is selected for compatibility with recreational and non-flammable liquid uses, easy mounting, and durable construction. Review the quick-reference table below to compare core specs at a glance.
| Product | |||
|---|---|---|---|
| Class A Customs | T-5000 | 50 Gallon | NSF Approved Materials | Fresh or Gray Water storage with built-in fittings |
| RTS Plastics PCO-50 | 50 Gallon | Polyethylene, Rotomolded | Vented cap, grad strips, siphon elbow |
| Ameri-Kart 50 Gallon RV Tank | 50 Gallon | BPA-Free Plastic | Potable water, multiple installation options |
| RomoTech 82123919 | 50 Gallon | Natural Poly, UV-Resistant | Clear markings, outdoor-ready |
| Ameri-Kart 50 Gallon RV Tank (Low-Profile) | 50 Gallon | BPA-Free Plastic | Low-profile design for tight spaces |
Class A Customs T-5000 50 Gallon Tank
This 50-gallon fresh or gray water holding tank is manufactured by Class A Customs and uses NSF-approved materials. It is suitable for fresh drinking water as well as gray water storage. The tank measures 38.25 inches at its longest length (not including fittings) and can be oriented on any side, allowing users to rotate it to adjust height or width. Average thickness is about 7/32 inch, with minor manufacturing tolerances. It includes two 1.5″ female NPT fittings and two 0.5″ female NPT fittings, with careful guidance to avoid overtightening to preserve seal integrity. This tank supports flexible installation in various RV and concession setups.
RTS Plastics PCO-50 Gallon Tank
Engineered for ease of use, this 50-gallon tank features a vented cap to prevent vacuum lock during transfer, molded-in gallon markings for quick level checks, and an included siphon elbow for complete drainage. The pre-installed bulkhead fitting supports quick hose or valve connections, while molded-in strap grooves simplify secure mounting for transport or stationary use. The tank’s seamless rotomolded construction from durable polyethylene offers resistance to impact, weather, and chemicals, making it a robust choice for RVs, trailers, and agricultural applications.
Ameri-Kart 50 Gallon RV Fresh Water Tank
This 50-gallon potable water tank from Ameri-Kart is made in the USA from BPA-free materials. It is designed for drinking, cooking, showering, and dishwashing in RVs, motor homes, campers, food trucks, trailers, and tiny houses. The tank supports flexible installation with multiple built-in fittings including two 1.5″ NPT standard fittings and two 0.5″ NPT standards. These features, along with weather- and impact-resistant plastics, help ensure a sanitary, leak-proof reservoir that meets IAPMO standards for reliability in various mobile environments.
RomoTech 82123919 50 Gallon Horizontal Square Tank
This 50-gallon horizontal square reservoir features clear gallon markings molded into the surface, enabling quick level checks. The natural poly tank is UV-stabilized to resist sun exposure and is designed to withstand outdoor use on farms, work sites, or RV setups. It includes an oversized 5-1/2″ lid for easy access, a built-in bulkhead with a 3/4″ NPT outlet for fast refilling and drainage, and hose hookup compatibility, making it suitable as a portable water tank or a component in pressure washer systems.
Ameri-Kart 50 Gallon RV Tank, Low-Profile
This low-profile 50-gallon RV fresh water tank from Ameri-Kart is crafted in the USA from BPA-free materials. It is suitable for potable water applications including drinking, cooking, showering, and dishwashing in RVs and related mobile setups. The design supports flexible installation with built-in fittings including one 1.5″ NPT standard and two 0.5″ NPT standards. Engineered for durability with weather-resistant plastics, it provides a sanitary and leak-proof water storage solution while fitting into tighter spaces common in compact RV configurations.
Buying Guide
Key purchase considerations when choosing a 50-gallon water tank include:
- Material and safety: Look for BPA-free plastics and NSF or IAPMO certifications to ensure water safety for potable use.
- Fittings and accessibility: Check the number, size, and location of built-in fittings. Consider tanks with multiple fitting options for flexible installation.
- UV and weather resistance: For outdoor use, choose tanks with UV stabilization and durable rotomolded construction to withstand sun exposure and temperature changes.
- Installation orientation: Some tanks are rotatable or offer shallow profiles to fit tight RV compartments. Confirm compatibility with your mounting space.
- Monitoring and drainage: Galon markings, vented caps, and included siphon or bulkhead fittings simplify maintenance and ensure complete drainage.
- Maintenance and cleaning: Smooth interior surfaces and ease of cleaning help maintain water quality and reduce contamination risk.
When comparing options, consider how each tank’s features align with your typical usage scenarios, whether you’re outfitting a motorhome, trailer, food truck, or portable water system. For example, the RTS Plastics model emphasizes easy monitoring and drainage, while the RomoTech tank focuses on outdoor durability and clear level indicators. The Ameri-Kart offerings provide USA-made reliability and multiple installation options, including low-profile designs for constrained spaces. Always verify compatibility with your existing fittings and hoses before purchasing to ensure a smooth setup.