Top rated Rainwater tanks + Underground tanks
Here’s a ranking of the top rated 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. 4rain Vino
Rain reservoir in the form of a rustic wooden barrel with a deceptively genuine wooden structure. Removable cover for water withdrawal with integrated child-proof lock. Two 3/4" threaded connections for mounting the drain cock and for emptying before the frost period with the universal hose set (accessories). Particularly UV-stable and weatherproof. Incl. plastic tap Aqua-Quick in brass look and inlet seal.
2. 4rain Arondo
Rainwater storage tank in a round design with a deceptively realistic stone texture. The tank has a capacity of 250 liters and features a removable lid for water extraction, equipped with an integrated child safety lock. It includes two 3/4" threaded connections for easy installation of the outlet tap and for complete drainage before the frost period with a universal hose set. The tank is particularly UV-stable and weatherproof. Additionally, it comes with an Aqua-Quick plastic outlet tap in brass finish and an inlet seal.
3. 4rain Rain barrel
Garantia Square Rain Barrel 300 Liters - The classic rain barrel in a modern color scheme, complete with a lid and tap. The simplest and most convenient solution for collecting rainwater and saving precious drinking water. A lot of 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. The included metal reinforcements provide sufficient shape stability. A matching rain barrel stand is available as an accessory. Delivery includes: rain barrel, lid, plastic tap, metal reinforcements.
4. Graf IBC Rocky
UV protection cover for 1000L IBC with an attractive patterned print and Velcro closure on the front. Visually appealing UV protection suitable for standard 1000L IBCs. The heavy PVC material used in the IBC cover effectively protects your IBC tank and its contents from UV radiation. This also helps prevent algae formation in the tank while enhancing the container's appearance. Access to the IBC valve and level checking is facilitated by the full-length Velcro closure on the front. Due to the varying sizes of IBC caps, this cover does not have a pre-cut opening on the top. Any desired drainage openings can be easily cut to size as needed. Technical specifications: Cover material: 60% polyvinyl chloride (PVC), 40% polyester / Velcro material: 100% nylon, material thickness 400μ. Cleaning instructions: Clean the cover only with a damp cloth. Using cleaners may damage the printed design.
5. 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.
6. 4rain Slim
4rain Slim wall tank - the classic one. Rainwater tank with a timeless, simple look for many design options. High storage volume with a small footprint. The tank has an integrated 3/4" internal thread for easy installation of outlet tap. Particularly robust and durable - weather-resistant materials with high UV protection ensure a long service life when used outdoors. Incl. plastic outlet tap Aqua-Quick in brass look and wind mixing (flat band).
7. 4rain Vaso
4rain 2in1 Rainwater Storage Tank - the ready-to-connect complete set. This stylish and modern rainwater container offers two useful functions: rainwater utilization and decoration. The removable planting bowl with a depth of 20 cm allows for individual design, making your rainwater tank a unique eye-catcher. It features two 3/4" threaded connections for easy installation of the outlet tap and for complete drainage before the frost period. The rainwater storage tank is particularly UV-stable and weather-resistant. Delivery includes: rainwater storage tank, Aqua-Quick plastic outlet tap in brass look, downpipe filter filling automatic DN 70-100, filter insert, screw connection, connecting hose (25 cm), inlet seal, and planting fleece.
8. Graf IBC outlet spout
IBC Outlet Fitting 2-Piece - The outlet fitting consists of a spout and a freely rotating nut with a 2-inch (S60x6 female thread). The targeted and easy extraction of water from an IBC water tank is made possible thanks to the outlet fitting DN50/2 inches. The spout is angled at 45°. With the flexible nut made of durable PE plastic and the coarse thread, you can easily attach, align, and extract water from your tank as desired. Unlike the one-piece standard version, this outlet fitting can be easily straightened, as only the nut needs to be tightened (twist protection). The outlet size of the spout is approximately 45 millimeters. The connection to the tank is S60x6 (DN50/2 inches) female thread / coarse. The measured diameter is 55 - 62 mm. Outlet with a 45 mm hose nozzle.
9. 4rain Vaso 2in1
4rain 2in1 Rainwater Tank - the ready-to-connect complete set. This stylish and modern rainwater container offers two useful functions: rainwater utilization and decoration. The removable planting bowl with a depth of 20 cm allows for individual design, making your rainwater tank a unique eye-catcher. Two 3/4" threaded connections facilitate the easy installation of the outlet tap and the complete drainage before the frost period. The rainwater tank is particularly UV-stable and weather-resistant. Delivery includes: rainwater tank, plastic outlet tap Aqua-Quick in brass look, downpipe filter filling automatic DN 70-100, filter insert, fittings, connection hose (25 cm), inlet seal, and planting fleece.
10. 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.
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