Sustee moisture meters come in different sizes to suit different pot sizes and root depths. They can be used in both indoor and outdoor pots and containers.
Small – suitable for pots approximately 8–15 cm in diameter.
Medium – suitable for pots approximately 15–25 cm in diameter.
Large – suitable for pots approximately 25–40 cm+ in diameter.
As a general guide, choose a Sustee that allows the sensing core to sit within the plant's main root zone.
Sustee is designed for pots and containers and is not recommended for garden beds, where moisture levels can vary significantly across a larger area.