10 Best Sustee of 2025

Tested and Reviewed: Top 10 Sustee deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Sustee

Sustee Aquameter, Set of 5, Plant Soil Moisture Sensor (Green, Medium)

Editor's bottom line:

“This sustee is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Dimensions: 7.09 x 0.39 x 0.31 inches (medium) - Intended for pot sizes of 3.5, 4, 5, and 6
The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure
Set includes five refillable sustee watering sticks (green)
Has refillable replacement core - Each stick will last for approximately 6-9 months
This soil aqua meter has plant water indicator that changes color depending on soil type - White indicates plant needs watering; blue indicates it's been watered
Keep your hands clean by visually monitoring when your plant needs water
Maintenance-free (no battery required)
Award-winning product design - Made in Japan
Moisture meter for house plants
Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick

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Picked by 397 people today

9.5

Sustee

Sustee Aquameter, Set of 5, Plant Soil Moisture Sensor (Green, Small)

Main Highlights

Dimensions: 0.4 x 0.3 x 4.7 inches (small) - Intended for pot sizes of 2, 2.5, and 3 - Ideal for small succulents
The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure
Set includes five refillable sustee watering sticks (green) - Moisture meter for house plants that has refillable replacement core - Each stick will last for approximately 6-9 months
This soil aqua meter has plant water indicator that changes color depending on soil type - White indicates plant needs watering; blue indicates it's been watered
Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick

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9.5

Sustee

Sustee Aquameter, Set of 5, Plant Soil Moisture Sensor (Green, Large)

Main Highlights

Dimensions: 10.04 x 0.39 x 0.31 inches (large) - Intended for pot sizes of 6 - 12
The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure
Set includes five refillable sustee watering sticks (green)
Has refillable replacement core - Each stick will last for approximately 6-9 months
This soil aqua meter has plant water indicator that changes color depending on soil type - White indicates plant needs watering; blue indicates it's been watered
Keep your hands clean by visually monitoring when your plant needs water
Maintenance-free (no battery required)
Award-winning product design - Made in Japan
Moisture meter for house plants
Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick

Show Price

9.2

Sustee

Sustee Aquameter, Set of 5, Plant Soil Moisture Sensor (White, Medium)

Main Highlights

Dimensions: 7.09 x 0.39 x 0.31 inches (medium) - Intended for pot sizes of 3.5, 4, 5, and 6 - Moisture meter for house plants
The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure - Keep your hands clean by visually monitoring when your plant needs water
Set includes five refillable sustee watering sticks (white) - Award-winning product design and maintenance-free (no battery required) - Made in Japan
Has refillable replacement core - Each stick will last for approximately 6-9 months
This soil aqua meter has plant water indicator that changes color depending on soil type - White indicates plant needs watering; blue indicates it's been watered - Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick

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9.0

IPPINKA

Sustee Aquameter, Moisture Sensor Refills, Bundle of 10 Core Inserts (5 Packs of 2) - Medium

Main Highlights

Bundle of 10 (5 packs of 2) insert replacement sticks for medium-sized Sustee watering sticks - Replace core every 6-9 months for best results.
Easy to replace core refills - Just twist off cap, remove used core, insert new core refill and replace cap - Core displays blue color when plant has enough water and fades to white when watering is required.
Award-winning product design - Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick.
Materials: polycarbonate (main body), nonwoven fabric treated with preservatives (refill)
Individual stick dimensions: 0.4 x 0.3 x 7.1 in (medium) - Made in Japan

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Best Value

8.8

Save 6%

Sustee

Sustee Aquameter - Medium - Black - Bundle of 5 - Leave-in Soil Moisture Meter for Potted Plants - Plant Water Sensor - Refillable

6% Off

Main Highlights

Dimensions: 7.09 x 0.39 x 0.31 inches (medium) - Intended for pot sizes of 3.5, 4, 5, and 6
The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure
Set includes five refillable sustee watering sticks (black)
Has refillable replacement core - Each stick will last for approximately 6-9 months
This soil aqua meter has plant water indicator that changes color depending on soil type - White indicates plant needs watering; blue indicates it's been watered
Keep your hands clean by visually monitoring when your plant needs water
Maintenance-free (no battery required)
Award-winning product design - Made in Japan
Moisture meter for house plants
Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick

Show Price

8.6

IPPINKA

Sustee Aquameter, Moisture Sensor Refills, Bundle of 10 Core Inserts (5 Packs of 2) - Small

Main Highlights

Bundle of 10 (5 packs of 2) insert replacement sticks for small-sized Sustee watering sticks - Replace core every 6-9 months for best results.
Easy to replace core refills - Just twist off cap, remove used core, insert new core refill and replace cap - Core displays blue color when plant has enough water and fades to white when watering is required.
Award-winning product design - Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick.
Materials: polycarbonate (main body), nonwoven fabric treated with preservatives (refill).
Individual stick dimensions: 0.4 x 0.3 x 4.7 in (small) - Made in Japan

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8.3

Sustee

Sustee Aquameter, Set of 5, Plant Soil Moisture Sensor (White, Small)

Main Highlights

Dimensions: 0.4 x 0.3 x 4.7 inches (small) - Intended for pot sizes of 2, 2.5, and 3 - Ideal for small succulents
The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure
Set includes five refillable sustee watering sticks (white) - Moisture meter for house plants that has refillable replacement core - Each stick will last for approximately 6-9 months
This soil aqua meter has plant water indicator that changes color depending on soil type - White indicates plant needs watering; blue indicates it's been watered
Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick

Show Price

8.1

IPPINKA

Sustee Aquameter, Moisture Sensor Refills, Bundle of 10 Core Inserts (5 Packs of 2) – Large

Main Highlights

Bundle of 10 (5 packs of 2) insert replacement sticks for large-sized Sustee watering sticks
Replace core every 6-9 months for best results
Easy to replace core refills - Just twist off cap, remove used core, insert new core refill and replace cap - Core displays blue color when plant has enough water and fades to white when watering is required
Award-winning product design
Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick
Materials: polycarbonate (main body), nonwoven fabric treated with preservatives (refill)
Individual stick dimensions: 0.4 x 0.3 x 10.0 in (large)
Made in Japan

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8.1

Sustee

Sustee Aquameter, Plant Moisture Sensor, Set of 2 (Green, Large)

Main Highlights

Dimensions: 10.04 x 0.39 x 0.31 inches (large) - Intended for pot sizes of 6 - 12
The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure
Set includes two refillable sustee watering sticks (green) - Moisture meter for house plants that has refillable replacement core - Each stick will last for approximately 6-9 months
Senses water at root level, no dirty fingers & damaged roots trying to gauge soil moisture
Award-winning product design, environmentally friendly, and maintenance-free (no battery required)
This soil aqua meter has plant water indicator that changes color depending on soil type - White indicates plant needs watering; blue indicates it's been watered
Keep your hands clean by visually monitoring when your plant needs water
Leave the device in the pot to continuously monitor soil humidity and show you when to water
Best used in soils that retain water
Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick

Show Price

Our Best Overall Choice

Best Choice

9.7

Sustee

Sustee Aquameter, Set of 5, Plant Soil Moisture Sensor (Green, Medium)

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Dimensions: 7.09 x 0.39 x 0.31 inches (medium) - Intended for pot sizes of 3.5, 4, 5, and 6
The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure
Set includes five refillable sustee watering sticks (green)
Has refillable replacement core - Each stick will last for approximately 6-9 months
This soil aqua meter has plant water indicator that changes color depending on soil type - White indicates plant needs watering; blue indicates it's been watered
Keep your hands clean by visually monitoring when your plant needs water
Maintenance-free (no battery required)
Award-winning product design - Made in Japan
Moisture meter for house plants
Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick

Show Price

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