Once the swimming season has finished you must prepare for winter and the coming months of inactivity – winterisation. You must prepare for the cold weather and guard against frost damage, as severe frosts can burst pipes, heaters, and filters. Should any major work be needed then the winter is the time to plan it. The pool should be run and disinfected properly right up until it is winterised, even if the heating is turned off. Once the pool is winterised then the level of r