Harcostar 350 Litre Magnum Water Butt

Maximum Rainwater Storage for Large Gardens & Allotments

The Harcostar 350 Litre Magnum Water Butt is a high-capacity rainwater barrel designed for those who need serious storage. Perfect for large gardens, greenhouses, or allotments, it holds up to 350 litres of harvested rainwater — reducing your reliance on mains supply for garden watering, outdoor cleaning, or irrigation.

This freestanding barrel includes a child-safe, spring-operated lid and a front-mounted hose connector tap, making it easy to access the stored water safely and efficiently. Its robust, UK-made design offers excellent durability in all weather conditions.

With a classic round shape, the Magnum features a broad top for stability and a tapered base for secure placement — just ensure it’s installed on a level, solid surface for best performance.

Key Features:

• 350L capacity – perfect for large outdoor spaces

• Supplied with secure, child-safe lid and integrated tap

• Traditional barrel styling in tough recycled plastic

• Ideal for pairing with a rain diverter (sold separately)

• Made in the UK