Graduated tank - 400L - 139x139x33cm

400 L square tank for reliable hydroponic installations

Designed for hydroponics enthusiasts looking for solid, spacious and functional equipment, this 400-liter square tank is designed to meet the most demanding requirements. With its thick walls, clearly visible graduation and format perfectly suited to indoor systems, it fits equally well under a tide table, in an NFT installation or in a water recovery system.

A reliable base for your automated systems

This large-capacity container is ideal for storing your nutrient solution or recovering excess watering. Its square format optimizes floor space, and its exceptional rigidity guarantees a stable hold, even when fully loaded. No risk of deformation, even in hot, humid environments.

Optimized design for indoor growing

Made from tough, UV-resistant plastic, it's built to last. Reinforced corners ensure excellent structural strength. A flat area is provided for easy drilling of a tap or watertight fitting. Graduation is integrated directly into the material for easy, precise monitoringcis liquid level.

Technical details :

Useful volume: 400 liters
External dimensions: 139 × 139 × 33 cm - square, stable structure
Internal dimensions: 121 × 121 cm - compatible with large systems
Footprint: 104 × 104 cm - optimized for indoor spaces
Shape: square with corner reinforcements
Visible graduation: molded into the plastic, quick reference
Material: thick, high-strength, UV-resistant plastic

Who is this 400-liter tank designed for?

Professional growers and experienced amateurs alike will find this tank a reliable and durable ally. Whether you use it in an indoor garden, a greenhouse or a complex hydroponic installation, it can be adapted to any scenario. Its large capacity is ideal for feeding several growing modules or recovering large volumes of water.

Key benefits of the 400L grower :

Rigid structure, even when fully loaded
Practical square format for rational layout
Resistance to temperature and humidity variations
Flat area for valve installation without deformation
Perfect for drip, NFT, tidal or closed-loop systems

Frequently asked questions - 400L hydroponic tank

Can this tank be connected to a pump?
Yes, it can accommodate a submersible pump. It is compatible with most automated systems on the market.

Can I use it as a drip tray?
Absolutely. Thanks to its wide format and sturdy walls, it works perfectly as a drip tray or under-table drip tray.

Can I install a tap or drain system?
Yes. The tray has a flat area for drilling, so a tap can be added without compromising watertightness or rigidity.

Are the graduations reliable and easy to read?
They are molded directly into the outer wall, so they are durable and easy to see, even from a distance.

Is it suitable for use in heated greenhouses?
Yes, the material is highly resistant to variable temperatures. It's equally suited to an indoor environment or a greenhouse with high humidity.