Food Safety Report: Wananas Sports and Adventure Pool, Am Wananas, Herne, Germany 2 years ago • details 7 Comments Comment Suspected food poisoning. Symptoms: Diarrhoea, nausea, stomach pain, other: weakness Suspected source: Magnum ice cream Onset: 12 to 24 hours Duration: 12 to 24 hours Sick: 2 people Additional information: no