Best Rainwater Tanks

Rainwater harvesting is a sustainable and eco-friendly approach to saving water resources and reducing utility costs for homeowners. Rainwater tanks play an essential role in this process, collecting and storing water that can be used for irrigation, flushing toilets, and, with proper treatment, even for drinking or showering. With numerous options available on the market, it’s essential to choose the best rainwater tank for your needs and preferences.

Rainwater tanks come in various materials, such as plastic, metal, or concrete, each with its advantages and drawbacks. While plastic tanks are lightweight and affordable, metal and concrete tanks offer durability and increased capacity. Additionally, the size and shape of the tank play a crucial role in accommodating the available space and rainfall expectations for your location.

When considering a rainwater tank, buyers should focus on criteria such as material, size, shape, and installation requirements. It’s also essential to assess the tank’s compatibility with your existing gutter and downspout system, as well as the availability of adequate space for mounting and maintenance access. Furthermore, a tank’s aesthetic appeal may be a factor for those who want their rainwater harvesting system to blend seamlessly with their property’s appearance.

In our pursuit to find the best rainwater tanks available, we spent hours researching and evaluating numerous products to identify those that effectively balance functionality, durability, and value for money.

Best Rainwater Tanks

We have compiled a list of the best rainwater tanks available in the market to help you make an informed decision for your water storage needs.

RTS Home Accents 600-Gallon Rainwater Collection Tank, Green

RTS Home Accents 600-Gallon Rainwater Collection Above Ground Tank, Green
  • Manufactured with commercial grade polyethylene with UV inhibitors
  • Tanks won't fade or deteriorate
  • Ability to hold large amounts of rain water making it convenient for watering and conserving water
  • Manufactured using a commercial grade polyethylene with UV8 inhibitors which ensures that the storage tanks will not fade or deteriorate over a period of 5 years
  • Using rainwater instead of municipal water can help to improve the health of gardens, lawns, and trees; Rain is a naturally soft water and does not contain certain minerals, such as chlorine or fluoride

This rainwater tank is a cost-effective and eco-friendly solution for watering your garden and conserving water.


  • Manufactured using commercial-grade polyethylene with UV inhibitors
  • Large capacity of 600 gallons for convenient water storage
  • Easy installation and suitable for any property size or location


  • Slightly bulky with dimensions 58-inch diameter x 63-inch high
  • Weighs 132 pounds, and may require assistance during setup
  • Limited color option of green

We recently utilized the RTS Home Accents 600-Gallon Rainwater Collection Tank for watering our garden and were pleased with its performance. The tank is made of commercial-grade polyethylene with UV8 inhibitors, ensuring it doesn’t fade or deteriorate for at least five years. This durability gives us peace of mind knowing our investment will last.

The large 600-gallon capacity of the tank means we can store ample rainwater for watering our garden and conserving water. This has proved convenient as we don’t have to rely on municipal water, which may contain chemicals like chlorine or fluoride. In addition, using rainwater has improved the health of our garden and trees, as rain is naturally soft water devoid of certain minerals.

Installation of the RTS Home Accents tank was straightforward, and it’s adaptable for any household property size or location. However, we found the tank to be slightly bulky with dimensions of 58-inch diameter x 63-inch high. Its weight of 132 pounds presented some challenges during setup, so having assistance during the installation process could be beneficial.

In conclusion, the RTS Home Accents 600-Gallon Rainwater Collection Tank is a valuable addition to your garden and an effective way to save water. The large capacity, durability, and easy installation outweigh its size and weight, making it a worthy investment for anyone looking to conserve water and enhance their garden’s health.

LOSTRONAUT 53 Gallon Portable Rain Barrel Water Tank

53 Gallon Portable Rain Barrel Water Tank - Collapsible Rainwater Collection System Storage Container - Water Collector Barrels Include Two Spigots and Overflow Kit - Comes with 25 Garden Labels
  • 53 Gallon Capacity, 27.5'' tall x 24'' wide. Portable, collapsible, quick no-hassle assembly and storage. Easy to transport
  • Built with the highest quality duty, 3-ply PVC material and super-tough zipper, UV-heat/cold-freeze resistant. Built to last outdoors
  • Pack list: high flow spigot, downspout spigot, overflow spout, leakproof washers, 6 sturdy legs/feet, super-tough barrel with filtered intake hole
  • Includes 25 colorful lawn and garden tags. Label all the plants that are grown with your new watering system
  • Sustainable, smart, eco-friendly system. Conserve water, save on utility bills and save the earth. Satisfaction guaranteed

A versatile and robust rainwater tank, the LOSTRONAUT 53 Gallon Portable Rain Barrel is ideal for water conservation in gardens and homes.


  • Portable and collapsible design makes it easy to transport and store
  • Durable 3-ply PVC material, built for outdoor use
  • Included accessories like spigots, overflow spout, and 25 colorful garden tags


  • Users have reported difficulty in sealing spouts to avoid leaks
  • No overflow adapter included
  • Not the sturdiest option when compared to hard-walled tanks

Having recently used the LOSTRONAUT 53 Gallon Portable Rain Barrel Water Tank in our garden, we were pleased with its portability and collapsible design. Assembling it was relatively quick and hassle-free, and its 53-gallon capacity provides a decent amount of water storage for our gardening needs. The durable 3-ply PVC material proved to be resistant to harsh weather conditions, and the colorful garden tags included were a nice touch.

However, we did face some challenges with sealing the spouts, which resulted in minor leaks that required extra attention and effort on our part. It’s worth noting that the overflow adapter is not included, so you might need to source it separately depending on your setup. Although the tank served its purpose, it might not be the sturdiest option if you’re comparing it to hard-walled alternatives.

In conclusion, the LOSTRONAUT 53 Gallon Portable Rain Barrel Water Tank is a worthwhile investment if you’re looking for a reasonably durable and portable option for water conservation in your garden. While it may not be the most foolproof solution, with attention to sealing and connection, it can effectively serve to help you save water and utility costs in an eco-friendly manner.

VINGLI 100 Gallon Collapsible Rain Barrel

VINGLI 100 Gallon Collapsible Rain Barrel, Portable Water Storage Tank, Rainwater Collection System Downspout, Water Catcher Container with Filter Spigot Overflow Kit
  • ❀ECO-FRIENDLY PRODUCT: Saving the water, saving the Earth. A sustainable solution to reuse the rainwater in your garden watering or etc. At the same time save your water bill! Based on calculation, this rain barrel can save your water bill up to 40% per year!
  • ❀HIGH QUALITY MATERIALS: Our rain barrel is made from PVC frame and anti-corrosion PVC mesh fabric. It is designed for long-term usage even in the cold winter time. Unlike traditional barrels, this barrel is crack-free and more druable.
  • ❀PREVENT LEAKAGE: Two rubber rings come with each spigot and water outflow valve. Install one ruber ring inside, the other one outside of the barrel can efficiently prevent leakage. Top mesh design keeps leaves, insects away from your clear water.
  • ❀EASY STORAGE AND REUSABLE: The foldable design allow you to carry it easily and store it in your garage or utility room with minimized space. Whenever you need it again, it is always reusable in simple assembly.
  • ❀LARGE CAPACITY: Capacity available in 50 Gallon, 66 Gallon, and 100 Gallon. Simply place it under a downspout and let water run through the mesh top. Outflow valve included for water outflowing or connecting to another VINGLI rain barrel.

Choose this eco-friendly rain barrel for effective water collection and reduced water bills, with a slight trade-off in durability.


  • Environmentally friendly solution
  • Easy storage and reusability
  • Large capacity with multiple size options


  • Materials may have durability concerns
  • Leakage may occur if not set up properly
  • Potential surface scratches and dings

We recently used the VINGLI 100 Gallon Collapsible Rain Barrel and found it to be a great solution for collecting rainwater and reducing our water bill. The PVC frame and mesh fabric are designed for long-term use, even in colder winter months. However, some users have reported issues with durability, so it may not be as long-lasting as traditional rain barrels.

Setting up the rain barrel was relatively simple, and its foldable design made it easy to store when not in use. The barrel comes in three different capacities – 50, 66, and 100 gallons – providing flexibility depending on individual needs. Despite its handy design, we noticed that the barrel could leak if not set up properly. Make sure to pay close attention to the instructions to prevent any leakage.

One downside we observed was that the rain barrel occasionally showed signs of surface scratches and dings. While these imperfections didn’t affect the functionality of the barrel, they might be a slight concern for those who prioritize aesthetics.

In conclusion, we recommend the VINGLI 100 Gallon Collapsible Rain Barrel for those looking for an environmentally friendly water collection system, while keeping in mind some durability concerns. The large capacity options and easy storage make it a convenient choice for anyone looking to reuse rainwater and save on their water bill.

Buying Guide

Material and Durability

When choosing a rainwater tank, it’s essential to consider the material it’s made of, as this will affect its durability and lifespan. Common materials include:

  • Polyethylene (plastic): Lightweight, easy to move, and resistant to cracks and leaks.
  • Steel: Strong and long-lasting, but may rust over time.
  • Fiberglass: Highly resistant to corrosion, cracking, and algae growth, but more expensive.

Size and Capacity

Consider the amount of rainfall in your area and your water usage needs to determine the size and capacity of your rainwater tank. Larger tanks can store more water, but require more space and can be more expensive. Keep in mind local regulations and restrictions that may apply to tank size and placement.

Installation and Maintenance

Choose a tank that is easy to install and maintain. This includes accessibility for cleaning and any necessary repairs. Consider the required foundation or support structure, as well as any necessary plumbing connections.

Cost Effectiveness

Compare the initial cost of the rainwater tank and its installation with the potential savings on your water bill. If your region offers rebates or incentives for installing rainwater tanks, this can help offset the initial cost.

Aesthetic and Design

Consider how the design and appearance of the tank will fit into your property. Some tank materials can be painted or customized to blend in with your existing structures.