If you're planning on taking a break from your hot tub for a while, you might be wondering how long it can sit unused. The good news is that hot tubs are built to withstand long periods of inactivity. However, there are a few things you should do to prepare your hot tub for extended storage. First, drain the water and give the tub a thorough cleaning. This will help to prevent the growth of mould and mildew.nnNext, remove all filter cartridges and store them in a cool, dry place. Finally, cover the hot tub with a heavy-duty tarp or vinyl cover. With these simple steps, you can rest assured that your hot tub will be ready for use whenever you're ready to take the plunge.