Dual Action Plant Label & Sticky Traps, 4 x 100 ct Environmental Controllers In systems using reverse osmosis

In systems using reverse osmosis (RO) water and plants grown in inert media

For tap water exceeding 250 ppm

and vital amino acids

check weekly for evaporation

so airflow holds up through carbon filters and long duct runs

Dual Action Plant Label & Sticky Traps, 4 x 100 ct Environmental Controllers In systems using reverse osmosisDual Action Plant Label Sticky Traps These dual purpose glue traps combine a writable plant label on one side with a professional grade adhesive on the other, making insect monitoring simple and accurate. Recommended for pots up to 5 gallons and perfect for propagation trays, nursery pots, and rockwool cubes, they help you spot issues before they spread. Sticky Traps for Fungus Gnats, Thrips & Whiteflies Use them across gardens, greenhouses,