Dog-owners will be discouraged from taking their pets into Auckland's Hunua Ranges for at least four months after a major drop of 1080 poison began today.
Watercare has taken two of its four Hunua supply dams out of service until they receive a clean bill of health, and three regional parks have been closed to the public for five days.
For all you need to know on the Hunua Ranges 1080 operation click here.