Hydrosensitive Paper (Spray Indicator Cards) - 10 Sheets - 2" x 4" Air Pump Accessories By enabling a more efficient

By enabling a more efficient and reliable drip irrigation system

propelling your plants into an explosive bloom

Grodan Gro-Smart Tray Insert The Grodan Gro-Smart Tray Insert is the ultimate solution for housing your Grodan Starter plugs

Cable access port at top

There is nothing to activate and nothing to refill

Hydrosensitive Paper (Spray Indicator Cards) - 10 Sheets - 2" x 4" Air Pump Accessories By enabling a more efficientHydrosensitive 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,