Aqualine Flexi Tank Collapsible Grow Room Reservoir
Aqualine Flexi Tank Collapsible Grow Room Reservoir
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Order by 3pm Mon–Thu for next-working-day delivery · FREE delivery over £50 · Free Wembley pickup
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Serious Water Storage That Packs Away Flat
Rigid tanks are awkward to get through a door, impossible to store and expensive for what they are. Aqualine Flexi Tanks give you the same robust water storage in a collapsible format that folds down to a small package, so getting one into a loft, cellar or spare room is a one-person job. They are manufactured to extremely high standards and work as a reservoir in almost any setup, whether you run flood and drain, DWC or gravity-fed irrigation. Capacities run from 100 litres up to 750 litres, and they set up with no tools required.
Key Benefits
- Packs flat: folds into a small package, far easier to transport and store than a solid tank
- System agnostic: works with flood and drain, DWC and gravity-fed setups
- Four capacities: 100, 250, 500 and 750 litre options to suit anything from a single tent to a full room
- Robust build: manufactured to extremely high standards for long-term water storage
- Discreet: a low-profile, quiet option for growers who would rather not haul a giant moulded tank about
- Tool-free setup: unfold, position and fill
How to Use
Choose a flat, level spot that can take the weight when full, ideally on a solid floor rather than a raised platform. Unfold the tank, check the base is sitting square and fill with water before mixing nutrients. Site it close to your pump to keep pipe runs short, cover the top to keep light out and slow algae, and drain and wipe it down between crops. Fold it flat again for storage when the run is finished.
Technical Specifications
- Type: collapsible flexible reservoir tank
- Capacities: 100 litre, 250 litre, 500 litre, 750 litre
- Compatible systems: flood and drain, DWC, gravity-fed and most others
- Setup: no tools required
- Storage: packs flat
- Application: reservoir and bulk water storage

Free next-day delivery on orders over £50 (order by 3pm Mon–Thu). Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.