IPPINKA Sustee Aquameter (White, Large, Refillable) - Plant Soil Moisture Sensor - Best for Potted Plants - Probe, Meter, Indicator

Key features

• Sustee size L (0.4 x 0.3 x 10") is best for pots over 7 inches in diameter. See Product Description for more info.
• Senses water at root level, no dirty fingers & damaged roots trying to gauge moist soil by feel - Prevent withering, so your healthy houseplants can clean indoor air to keep you healthy!!
• Leave the device in the pot to continuously monitor soil humidity and show you when to water - Each stick will last for approximately 6-9 months.
• Award-winning product design - Refillable core; allows for replacement cores to be inserted - No batteries - Environmentally friendly - Creates little waste.
• Sustee collaborated with Tokyo University of Agriculture to improve the design and function of each stick.