Hydrosensitive Paper (Spray Indicator Cards) - 10 Sheets - 2" x 4" Canna Cribs S2E12 Originals Specification Value Function Humidify +

Specification Value Function Humidify + dehumidify controller Mode Switchable Humidity Span About 5% RH Control Adjustable set point (dial) Use Indoor grow spaces

What Is Inside the Pouch

unadulterated interaction with your plants

Apply directly to the grow media every two weeks

Hydrosensitive Paper (Spray Indicator Cards) - 10 Sheets - 2" x 4" Canna Cribs S2E12 Originals Specification Value Function Humidify +Hydrosensitive Spray Indicator Cards for Coverage Checks A foliar or IPM spray only works where the droplets land, and the naked eye cannot see a thin, uneven coat until pests survive it. These cards make that coverage visible, turning the yellow paper blue everywhere a droplet hits. Clip a card in the canopy, run the sprayer, and read the blue stain for density, gaps, and drift at a glance. Each sheet is 2 by 4 inches, easy to pin on a leaf, a stake,