IWS Tank 100L and 250L | Space Saver Hydroponic Reservoir

🌱 IWS Tank — Guide & Product Information

💧 Space Saver Reservoir for IWS Systems

The IWS Tank is a practical space saver reservoir designed for growers using IWS systems or building custom multi-pot hydroponic layouts. Available in 100L and 250L sizes, these tanks provide reliable water and nutrient solution storage for automated feeding systems, flood and drain setups, drip irrigation layouts and general grow room use.

Compact and easy to position, the IWS Tank is ideal where floor space matters but dependable reservoir capacity is still required.

• ✔ Designed for IWS and compatible hydroponic systems
• ✔ Space-saving reservoir shape
• ✔ Suitable for water and nutrient solution storage

Browse more reservoir options in our Tanks & Reservoirs category, or view the full Grow Systems range.

📦 Size Variations

Choose the tank size that best matches your system size, plant count and feeding frequency.

• ✔ 100L — ideal for smaller IWS systems, compact hydroponic setups and lower-volume feeding routines
• ✔ 250L — suitable for larger multi-pot systems, higher water demand and fewer reservoir refills

🌿 Designed for IWS and Custom Multi-Pot Systems

The IWS Tank can be used with compatible IWS systems or as part of a custom build multi-pot layout. It is suitable for growers who need a dependable reservoir for automated irrigation, nutrient delivery or recirculating hydroponic systems.

• ✔ Ready to connect to compatible IWS systems
• ✔ Useful for custom multi-pot builds
• ✔ Suitable for automated feeding layouts

For compatible systems, view the IWS Dripper Systems – 6, 12, 24, 36 & 48 Pot, or browse IWS Kits & Spares.

🔧 Compatible with Pumps, Pipework and Fittings

A reservoir tank forms the centre of many hydroponic systems. Depending on your setup, the IWS Tank can be connected with pumps, pipework, fittings and control components to create a reliable feeding or irrigation layout.

• ✔ Connects with compatible pipework and fittings
• ✔ Works with suitable pumps and irrigation components
• ✔ Practical for system expansion or reservoir replacement

For installation and system maintenance, browse Pipe & Fittings, Water Pumps and our IWS Sub Pump.

💻 Technical Specifications

• ✔ Product: IWS Tank
• ✔ Tank Type: Space saver hydroponic reservoir
• ✔ Size Options: 100L and 250L
• ✔ Use: Water storage, nutrient reservoir and irrigation tank
• ✔ Compatibility: IWS systems and custom multi-pot systems
• ✔ Application: Hydroponic systems, grow rooms, drip feed systems and flood and drain layouts

🏡 Ideal Uses

• ✔ IWS system reservoirs
• ✔ Hydroponic nutrient solution storage
• ✔ Drip feed and flood and drain systems
• ✔ Custom multi-pot grow system builds
• ✔ Reservoir replacement or system expansion

📏 Setup & Usage Tips

• ✔ Choose 100L for smaller systems or 250L for larger setups with higher water demand
• ✔ Position the tank on a level surface for best stability
• ✔ Rinse before first use to keep nutrient solution clean
• ✔ Keep the tank covered where possible to reduce debris and light exposure
• ✔ Clean between nutrient changes to prevent residue build-up

For accurate feed preparation, use a Measuring Jug, Measuring Syringe or 5ml Pipette. For feeding products, browse Nutrients & pH Management.

❓ FAQ

What sizes are available?
The IWS Tank is available in 100L and 250L sizes.

What is the IWS Tank used for?
It is used as a water or nutrient solution reservoir for IWS systems, hydroponic setups and custom multi-pot irrigation systems.

Can it be connected to an IWS system?
Yes — the live product page describes the tanks as ready to connect to an IWS system or custom build multi-pot system.

Which size should I choose?
Choose 100L for smaller setups or compact spaces, and 250L for larger systems or setups requiring fewer reservoir refills.

Can this be used with dripper systems?
Yes — it can be used as a reservoir for compatible dripper systems when connected with suitable pumps, pipework and fittings.