New opening hours for Cannabis Drug Checking from April 1, 2025
From April 1, 2025, new opening hours will apply at Cannabis Drug Checking (Wasserwerkstrasse 17, 8006 Zurich).
New:
Wednesday: 4.30 - 6.30 p.m.
It is still necessary to make an appointment in advance to hand in a substance. Appointments can be booked online the day before (Tuesday) from 16:00 at the earliest.
You can find all information about cannabis drug checking here.
