Sustee Soil Moisture Meter - Large

Sustee is unlike any other moisture sensor - you can leave it in the soil and it works for 6 to 9 months without the accuracy rapidly degrading. The inner core will tell you when to water the plant. This multi-award-winning design is maintenance free and works with all types of plants. No batteries required.

• Color of the inner core changes based on pF values. White means the plant needs watering; blue means it has enough water.
• The inner core needs to be replaced after 6-9 months in order to work optimally. (Sold separately)
• The inner core is made from biodegradable fabric
• Collaborated with Tokyo University of Agriculture to improve the design and function of each stick
• Made in the Japan, ships from USA

Size Options:

S (0.4 x 0.3 x 4.7″) - best for 2.4 - 3.5″ diameter pots

M (0.4 x 0.3 x 7.1″) - best for 4.1 - 7.1″ diameter pots