
Best selling Rainwater tanks + Underground tanks
Here’s a ranking of the best selling Rainwater tanks + Underground tanks. To give you a quick overview, we’ve added the most important information about each product. This page always stays fresh and updates automatically.
1. Garantia Rain barrel
Garantia rectangular rain barrel 203 liters including lid and outlet tap. The classic rainwater container for your garden in a space-saving design - proven millions of times. The simplest and most convenient solution for collecting rainwater and saving precious drinking water. Great emphasis is placed on sustainable product design during the development of a Garantia rain barrel. All rain barrels are made from recycled plastic and are 100% recyclable. High-quality polypropylene ensures high impact resistance and rigidity of the product. The rain barrel is also UV-resistant, weather-resistant, and temperature-resistant. Maximum stability is provided by the sturdy construction of the base and stacking edge. The rain barrel tapers to a round shape at the bottom. A matching rain barrel stand for comfortable water extraction via the outlet tap is available as an accessory. Delivery includes: rain barrel, lid, plastic outlet tap.

2. Prosper Tower Stone
The Tower Stone rainwater barrel from the brand Waterform is a practical and very spacious rainwater tank with a clearly structured design and a capacity of 500 liters. The front wall of the tank features a decorative stone motif, and its shape along with the stylish neutral color fits well with the trends of modern architecture. The product has a top opening with a lid, four attachment points for the gutter, and two threaded holes for a tap or a quick coupling for connecting a garden hose. A tap and a hose coupling are included in the delivery.

3. vidaXL Wassertonne
Take advantage of nature and do something about future water shortages with this collapsible rainwater barrel. Simply place the container under a downspout to save water and money. This rain barrel can hold up to 1000 liters of pure water. It is made from a PVC frame and corrosion-resistant fabric, making it highly durable and long-lasting. The water tank can also be left outside during the cold winter and will still resist cracks and splits. The top inlet and bottom outlet with mesh filters keep leaves, dirt, and insects away, ensuring that the collected water is clean and clear. Additionally, a tap for draining the rainwater is included and can be connected to a hose for watering the garden. This rainwater container can be effortlessly folded for easy storage in your garage or shed when not in use. The delivery includes 1 PVC inlet, 10 PVC support poles, and 1 tap. This water tank is easy to assemble.
Color: Dark green; Material: PVC; Dimensions: 100 x 120 cm (diameter x height); Durable and crack-resistant; Capacity: 1000 liters; Outlet height: 33 cm; Water inlet diameter: 10.5 cm; Top inlet with mesh fabric; Inlet and outlet with mesh filter; Lid with zipper; Includes a tap for water release and hose connection; Collapsible for easy storage; Assembly required: Yes.

4. Pollin Electronic Gutter protection
This easy-to-install guard prevents leaves and branches from clogging the rain gutter. It is unbreakable and weather-resistant. The flexible plastic mesh is 6 meters long and 16 cm wide and can be cut to the desired size. It comes with 15 clamps.

5. Waterform Rainwater storage tank 210l SMOOTH anthracite
The Smooth Rainwater Tank is a practical solution for the efficient collection and storage of rainwater. With a volume of 210 liters, this tank offers ample capacity for various applications, whether for watering gardens or for use in households. Made from durable PVC, the tank is characterized by its longevity and resilience. The anthracite surface blends harmoniously into different environments and provides an appealing look. Weighing only 4.14 kilograms, the tank is easy to handle and transport. Its compact dimensions of 865 mm in height and 753 mm in width allow for flexible placement, even in limited spaces. The Smooth Rainwater Tank is an eco-friendly choice that helps to sustainably utilize water resources while also protecting the environment.

Waterform Rainwater storage tank 210l SMOOTH anthracite
210 l
6. Prosperplast Rainwater tank
The rainwater tank from Prosperplast is a practical solution for collecting and storing rainwater. With a volume of 200 liters, this rainwater tank offers sufficient capacity for the efficient use of rainwater in the garden or for other applications. Made from robust PVC plastic, the tank is characterized by its durability and resilience. The compact dimensions of 60 cm in length, 61 cm in width, and 106.6 cm in height allow for space-saving placement, while the weight of 90 kg ensures stability. The anthracite-colored surface blends harmoniously into various environments and provides an appealing aesthetic. This rainwater tank is an eco-friendly option for collecting and sustainably using valuable rainwater.

7. Keter Indigo
Indigo rainwater tank water catchment + graphite base 200 litres.

8. Garantia Nordic 2in1
Garantia Regenspeicher Nordic 2in1 - stylish and timeless. This rainwater tank impresses in your garden with its Nordic simple design featuring 3D decor and its modern color scheme. Its compact dimensions allow the rainwater tank to blend elegantly and decoratively into your garden design. The rainwater container from the Garantia Classic Line not only offers the opportunity to collect free rainwater but also allows for decorative planting. A sturdy, removable planting bowl with a depth of 18 cm and an integrated attachment option for an additional extraction hose is included. The container also features two integrated threaded connections of 19 mm (3/4'') for the installation of the outlet tap as well as for residual drainage before the frost period. Your rainwater container is exposed to weather influences and strong temperature fluctuations. Materials tailored to these conditions ensure a long-lasting good appearance. Additionally, the container is protected from sunlight for a long outdoor lifespan. The impact of UV light is minimized. Significant emphasis is placed on sustainable product design right from the development of a Garantia product. Production takes place on state-of-the-art manufacturing facilities, which ultimately leads to less environmental impact. This rainwater container is made from recycled plastic and is 100% recyclable. Quality made in Germany. Delivery includes: rainwater container with planting bowl, inlet seal, and wind protection. 5-year manufacturer's warranty. The container must be completely emptied in winter when frost is a risk.

9. Graf IBC SK adapter
The IBC SK adapter from Graf is a practical solution for connecting rain barrels and earth tanks. This adapter allows for a simple and secure connection between a S60x6 (DN50/2 inch) fitting and a 3/4 inch fine thread. With a fixed connection nut of 62 mm, the adapter offers stability and reliability. The quick coupling (SK) ensures easy handling and allows for quick assembly and disassembly. The adapter is made of robust plastic and is ideally suited for use in various applications in gardening and landscaping. It is a valuable addition for anyone needing an efficient water connection.
- Standard adapter from S60x6 (DN50/2 inch) to 3/4 inch fine thread
- Design with fixed connection nut for increased stability
- Includes quick coupling (SK) for easy handling.

10. Garantia Granite
The Garantia Granit Water Tap Column is an elegant and functional solution for water extraction in the garden. It impresses with its appealing design, reminiscent of a natural granite column, seamlessly integrating into any garden landscape. This water tap offers a practical connection option from below via a hose connection and is equipped with a chrome outlet tap that allows for convenient water extraction. Installation is straightforward, as the necessary drill holes in the base are already provided. Additionally, the water tap column is particularly UV-stable and weather-resistant, ensuring its durability and functionality under various weather conditions.
- Elegant design in the form of a natural granite column
- Practical connection option from below via hose connection
- Includes chrome outlet tap for convenient water extraction
- Easy installation with pre-drilled base openings.
