We all stubbornly rinse off the second we’re out of the water, when it’s the paint-green film on the surface that decides the next 48 hours
That murky green film on British lakes isn’t harmless pond scum—it’s often toxic cyanobacteria that can cause rashes, stomach cramps, and worse. A quick rinse won’t cut it; you need a proper 10-15 minute shower with soap. The real danger window? The next 48 hours, when symptoms typically appear.