RIOBOW Rain Barrel Collapsible 26 Gallon Portable Rain Catcher Green Review (2026)

Who this rain barrel fits

This barrel is built for balcony, patio and small-yard gardeners who want to catch runoff for watering containers without committing space to a large rigid tank. Because it folds flat when empty, it suits renters and anyone with limited storage who wants to pack the barrel away over winter or when it is not actively raining. The 26 gallon size sits at the small end of RIOBOW's lineup, which also includes much larger 50, 66 and 100 gallon versions, so it is meant for topping up watering cans rather than irrigating a full yard. Growers who need to store a lot of water between rains, or who want a permanent fixture under a downspout, may be better served by a larger or rigid barrel instead.

What it is made of and how it collects water

The barrel is built around a sturdy PVC frame with a body of anti-corrosion PVC mesh fabric, six support rods that hold its round shape when unfolded, and a durable spigot near the base. The spigot is designed to connect to a standard 3/4 inch garden hose, so you can run water directly to containers or a longer hose run rather than filling a watering can by hand every time. A mesh cover over the top is meant to speed up water collection while keeping leaves, debris and small animals from getting into the stored water, which also helps keep the barrel cleaner between uses than an open-top design. It is sold in green, which blends in against foliage on a balcony or patio.

Setting it up and using it season to season

Because the barrel is fabric rather than rigid plastic, it needs to sit on level, solid ground; an uneven surface can cause a filled barrel to sag or lean, so a paver, deck board or stand under it helps it hold its shape once full. Positioning it under a downspout or gutter outlet lets it fill passively during rain, and the spigot and hose connection make it straightforward to draw water off for container watering. Collected rainwater from a barrel like this is intended for garden use rather than drinking, so follow general guidance on using stored rainwater only for plants, not as a potable water source. When a hard freeze is expected, draining and folding the barrel away protects the fabric and spigot from damage.

Trade-offs against larger collapsible barrels

Within our rain barrels for small spaces guide, this 26 gallon RIOBOW sits ahead of larger collapsible barrels from other brands in the 50 to 100 gallon range, largely because its small footprint and light weight make it easier to place and move on a balcony where those bigger tanks simply will not fit. The trade-off is capacity: a 26 gallon barrel can fill up during a single heavy downpour and will need more frequent emptying during a wet stretch than a 50 or 66 gallon collapsible tank. Anyone with more roof or gutter area feeding the barrel, or who wants to bank up enough water to skip several days of watering, should size up to one of the larger collapsible options instead.

Verdict and who should size up

For a balcony or small patio gardener who wants a foldable, easy-to-place way to catch rainwater for container plants without permanent plumbing, RIOBOW's 26 gallon barrel backs up its 7.9 score with a simple mesh-and-spigot design that is genuinely portable. Anyone collecting from a larger roof area, or who wants enough stored water to skip watering for several days at a stretch, should look at RIOBOW's own 50 gallon or larger collapsible models instead. Gardeners who want a barrel that never needs to sit on a perfectly level surface may also prefer a rigid plastic tank over this fabric design.

Frequently asked questions