Sustee Aquameter Refills

(2) REFILLS for Sustee Aquameter  The Sustee Aquameter senses water at root level, no more dirty fingers & damaged roots trying to gauge moist soil by feel.  Leave the device in the pot to continuously monitor soil humidity and show you when to water.  1 set of Refills includes 2 replacement sticks for use with refillable Sustee (purchase separately)  Easy to replace core refills, just twist off cap - remove used core - insert new core and replace cap Cores are composed of natural fibers and are biodegradable Made in Japan  WHITE  = DRY (water) BLUE = WET (don't water) SIZING: SMALL: pots below 5" in diameter MEDIUM: pots 5" - 7" in diameter LARGE: pots 7" - 14" in diameter  DIRECTIONS TO REPLACE SUSTEE CORE: 1. Remove the top cap by turning Counterclockwise. 2. Remove the used inner core from the Sustee (make sure to remove all debris too) 3. Add new inner core (make sure you replace all components in a single operation: Inner core, blue sheet and straw.)  NOTE: Keep t