Some Aucklanders have received Watercare bills that claim they have not used a single drop of water in the past month, or in some cases for months, no showers had, no toilets flushed, no house plant watered, no kettles filled; nothing. Online forums confused customers are asking about receiving zero use bills, others say they've had enormous catch-up accounts months after getting zero bills, all due to Watercare's smart metres. Checkpoint spoke to a few customers.