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Member Only Item

Tropf Blumat 9" Sensors 10-Pack

Item #894132


Automatic self-watering system, Each sensor covers an area with a diameter of 12"- 18". These are for expanding a Blumat kit.

Online Price
Your Price $64.99
Price Per null:
  • Shipping & Handling included *

Member Only Item

The estimated delivery time will be approximately 5 - 7 business days from the time of order.

Please Note:
These are for expanding a Blumat Kit.

The Tropf Blumat self-watering system functions automatically – no timers, batteries, or electricity needed. As the soil dries, natural capillary action in soil triggers the water outlet in the sensor that starts the water flowing. When the soil is sufficiently moist, the Blumat valve closes and the water stops. It makes no noise and doesn’t spray. Each Blumat Long sensor covers an area with a diameter of 12” - 18.”

The Tropf Blumat system is great for watering your balcony boxes, planters, hanging baskets, and row crops. It fulfills the needs of the plants on an individual basis regardless of location, light levels, or plant type. They save your plants from the harmful effects of both excessive and insufficient watering. They give consistent moisture to vegetable gardens, bushes and flower beds, grow bags and greenhouse containers. Not only do your plants receive the right amount of water, the slow dripping ensures that your plants receive warmed water and avoid cold shock.

Expand your watering system by adding these 9" Blumat Moisture sensors in pots over 10" deep. In fabric pots, you can install these horizontally at the bottom of the pot and use half as many sensors as normally recommended. Increase your yields, decrease your grow times, save time, water and nutrients - and still have healthier, tastier, faster growing, and more potent crops. You can create a fully automatic, self-watering system. They’re perfect for home gardeners, landscapers, greenhouses, grow rooms and commercial applications.


  • Expand your Blumat Kit
  • No batteries, no timers... and just the right amount of water!
  • For larger pots and bigger plants than regular Tropf Blumat
  • Each sensor waters plants in 15+ gallon pots
  • Liberate your time, save water and nutrients
  • Maintain ideal moisture and dramatically increase yields
  • De-stresses your life and lets you enjoy your garden more
  • Senses soil conditions, turns water on and off
  • No timers, batteries, or electricity needed

  • Brand: Blumat

Standard shipping via UPS Ground is included in the quoted price. The estimated delivery time will be approximately 5 - 7 business days from the time of order.

Express shipping is via UPS.  The estimated delivery time will be approximately 2 - 3 business days from the time of order.

Please choose your shipping method at checkout.

An additional Shipping and Handling fee will apply to express shipments. This fee will be quoted at checkout.

*Delivery is available to Alaska, Hawaii and Puerto Rico. An additional Shipping and Handling fee will apply to shipments going to Alaska, Hawaii or Puerto Rico. This fee will be quoted at checkout. Additional transit time may be required. products can be returned to any of our more than 600 Costco warehouses worldwide.
Membership: We will refund your membership fee in full at any time if you are dissatisfied.

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How to Return: For an immediate refund (including shipping and handling), simply return your purchase at any one of our Costco warehouses worldwide. If you are unable to return your order at one of our warehouses, please email customer service or call our customer service center at 1-800-955-2292 for assistance. To expedite the processing of your return, please reference your order number.

If you request an item be picked up for return, the item must be packaged and available for pick up in the same manner as it was delivered.
If your order was delivered "curb side", it will need to be available for curb side pick up.
If the item arrived to you in a box, it will need to be in a box at the time of pick up.

For information or a written copy of the manufacturer's warranty, please contact us at:
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