Looking for an effective solution to protect your trees and shrubs from pesky caterpillars? Look no further than Btk! Our aerial or ground treatments are easy, safe, and completely lethal to caterpillars. And best of all, you won't have to worry about harming any bees – Btk is completely harmless to these essential pollinators.

•  Easy application via aerial or ground
•  Quick-acting – deadly to caterpillars within hours
•  Safe for bees – no harm done!

Custom Hydro keeps Dipel dust in stock for home gardeners. For commercial cannabis and professional horticulturalists we stock Dipel PRO and Bt NOW.