Sustee Aquameter conveniently changes color to notify that your plants need to be watered. This multi-award-winning design is maintenance-free and works with all types of plants. No batteries required.
・Materials: polycarbonate (main body), non-woven fabric that can be broken down by microorganisms.
・After about 6-9 months, Sustee insert will need to be replaced in order to work optimally. (Sold separately)
・White color indicates plant needs watering; blue indicates it has been watered.
・Collaborated with Tokyo University of Agriculture to improve the design and function of each stick.
・Made in the Japan, ships from USA
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 L (0.4 x 0.3 x 10″), best for 7.1 - 10.2″ diameter pots