Humi-Smart Humidity Indicator Cards - 69% RH 10 Pack For Sale

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Humi-Smart Humidity Indicator Cards - 69% RH 10 Pack:
$7.95

The HUMI-SMART Humidity Indicator Card allows a hands-free way of monitoring the (RH) level in your container, so there’s no guessing game as to when yourHUMI-SMARTpack is ready to be replaced. When the PINK dot on theHumidity Indicator Cardturns BLUE, its time to put a freshHUMI-SMARTpack in your container.This listing is for 10 units of HUMI-SMART 69% RH Reusable Indicator Cards.
Please note:When these cards arrive they will be blue.Once you place them in the 62% environment the card will turn frombluetopink. Then when the card starts turning from pink to blue again it is time to switch out the HUMI-SMART pack. These cards are reusable.