The Mona Plantsava Tank 25 is a high-capacity, environmentally friendly irrigation system designed to water plants from the root up using natural capillary action. Ideal for large-scale planters and containerised planting schemes, this UK-manufactured tank provides consistent moisture directly to plant roots—minimising water waste and promoting strong, healthy growth.
This self-contained reservoir is installed at the base of planters and containers, where it supplies just the right amount of water as and when the plant needs it. Perfect for large planters in atriums, patios, rooftop gardens, and public landscaping, the Tank 25 ensures optimal irrigation with minimal maintenance.
Tank Size & Capacity
Dimensions: 42cm x 42cm x 21cm
Filler Pipe: 59cm (included)
Water Capacity: 25 litres
Planter Size Suitability: Ideal for planters between 75L and 250L
Features & Benefits
Capillary Irrigation: Water is drawn from the tank directly to the roots as needed
Sustainable Water Use: 100% water efficient—zero runoff, minimal evaporation
Long Watering Intervals: Can last up to 6 weeks between refills in ideal conditions
Quick & Easy Installation: Simply place at the base of the planter and cover with growing media
Made in the UK: Constructed from recycled plastic for sustainable landscaping
Scalable System: Ideal for use in both domestic and commercial environments
Typical Applications
Large commercial planters
Patios, balconies & rooftop gardens
Atriums and mezzanine displays
Window boxes and flower beds
Public realm and high-traffic areas
Indoor & outdoor urban landscaping

Tank Dimensions: 42cm (L) x 42cm (W) x 21cm (H)
Filler Pipe Length: 59cm
Water Capacity: 25 litres
Recommended Planter Size: 75L–250L
Material: UK-manufactured recycled plastic
Watering Method: Passive irrigation via capillary action
Installation Position: Subsurface at the base of planter
Refill Cycle: Approx. every 6 weeks in optimum conditions