Sustee Aquameter (Medium White Refillable - Bundle of 2) - House Plant Soil Moisture Meter, Humidity Sensor Probe, Water Level Indicator - Best for Indoor Potted Plants

Dimensions: 7.09 x 0.39 x 0.31 inches (medium) - Intended for pot sizes of 3.5, 4, 5, and 6 - Best used in soils that retain water, 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 two refillable sustee watering sticks (white) - Moisture meter for house plants that has refillable replacement core - Each stick will last for approximately 6-9 months - Designed and made in Japan; high-quality product, 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, Award-winning product design, environmentally friendly, and maintenance-free (no battery required) - Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick