Description
“No batteries are required; simply place it in the bowl and it’s ready to use. When there is sufficient water, the indicator light turns blue, and when there is insufficient water, it turns white. The core material is composed of 100% natural fibers, which can be broken down by bacteria present in the soil. The standard lifespan of the core is approximately 6 to 9 months in organic growing medium, and approximately 9 to 12 months in inorganic growing medium or sphagnum moss. Please allow for a 1-3 cm error due to manual measurement. Thank you for your understanding. Monitors are calibrated differently; the color of the items displayed on The photos may vary slightly from the actual item. Please refer to the actual product.