Designed for larger outdoor containers
Its longer ceramic moisture sensor is suited to outdoor pots and tubs at least 30 cm high, raised beds, and solitary plants in large pots.
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Updated 3 months ago
A longer ceramic moisture sensor and dripper for taller pots, raised beds, and container gardens. It operates from water pressure or a gravity reservoir without electronics.

Its longer ceramic moisture sensor is suited to outdoor pots and tubs at least 30 cm high, raised beds, and solitary plants in large pots.
The brown adjustment knob controls dripping, and the dripper stops when the soil is optimally wet.
Connect it to an 8 mm water supply via drip tubing to operate from water pressure or a gravity reservoir, with no electronics required.
The Blumat Tropf-Blumat Maxi is an outdoor automatic watering sensor and dripper with a longer ceramic cone for large pots, raised beds, and container gardens, operating from water pressure or a gravity reservoir without electronics.
The Tropf-Blumat system is highly recommended as a reliable, ingenious, and electricity-free solution for container gardens that effectively manages watering based on soil moisture levels, though it requires an initial investment of time to properly calibrate.
The Tropf-Blumat Maxi is praised as a low-maintenance, reliable, gravity-fed sensor ideal for deep-root watering in larger containers, providing precise moisture delivery without electricity.
Experts characterize the Tropf-Blumat Maxi as a precise, electricity-free, autonomous system recommended for intermediate growers to maintain moisture in large pots, noting that while highly reliable once mastered, users may initially face challenges with setup.
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| Attribute | Specification | Notes |
|---|---|---|
| Adjustability | Yes | |
| Dimensions | Total length about 230 mm; clay cone approx. 20 x 55 mm; max outer diameter approx. 35 mm | |
| Frost Resistance | Yes | |
| Indoor Outdoor Use | Outdoor only (not to be used indoors) | |
| Installation Method | Insert porous clay cone into moist soil 15–18 cm deep next to the plant/container, then connect to the 8 mm water supply via drip tubing (optional T-connector) | |
| Material | Porous clay cone (sensor) with a watering head/membrane and plastic UV-protected components | |
| Plant Compatibility | Outdoor container plants in large pots and tubs (container height 30 cm or more), Outdoor raised beds, Solitary plants in large pots, Plants/containers placed so one Tropf-Blumat per plant/container waters a soil radius of about 20–25 cm diameter | |
| Uv Resistance | Yes | |
| Water Release Rate | Adjustable dripping via brown adjustment knob (dripper stops when soil is optimally wet) |

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