- Set of 5 Sustee size S (0.4 x 0.3 x 4.7") is best for pots 2, 2.5 and 3 - Ideal for small succulents

- White color indicates that the plant needs to be watered and blue indicates it has been watered - Use in soils that retain water

- Each stick will last for approximately 6-9 months - Has refillable core; allows for replacement cores to be inserted

- Maintenance-free and no battery required - High-quality product; made in Japan

- Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick

- Not turning blue: try watering more, especially the first time you use it.

- Not turning white: it is possible that SUStee cannot breathe. Try loosening the soil in the pot before watering again or insert SUStee into a new spot.

- Not changing colour: SUStee's core may be clogged - try washing your SUStee. It is also possible that SUStee's inner core was damaged by bacteria's or bugs in the soil - replace the core with a new one.