It’s the stuff of childhood memories – inflatables in the pool, odd posters about people ‘petting’ and yellow chips in the cafe. It was probably accompanied by the disinfectant foot bath, faulty hair dryers and lots of people’s hair in the shower plug. Somehow we managed to enjoy our weekly swim with Mum or Dad ( these were the days before parent : child ratios) and learnt to tread water in our pyjamas. I recently decided to run my baby…