Are you brave enough to join GHT on a full blown ghost hunt at Whitstable Castle. On the night you will become the investigator and take part in all the experiments and investigate this very interesting location.The location over many years has had sightings and happenings that just cannot be explained.History : In the 15th century there was a real need for alum, a mineral used mainly for fixing dyes in cloth so that colours did not run. Queen Elizabeth I gave a licence to search for deposits and a new site was found in the cliffs at Tankerton. The resulting product was called “copperas”. The first mine opened in 1588 and for 200 years the owners made a great deal of money from what was effectively  one of the world’s first chemical industries. A copperas house was built on the site that is now the almshouse. Other smelting works were…