 so many different chemicals into your hot tub and just you're spending not only a lot of time you're spending a lot of money and who wants to soak in a hot tub that's full of chemicals right um so our goal is you know we recommend purging your hot tub every six months get all that bad stuff out of the plumbing system drain your water start fresh and now you just keep going with a nice clean hot tub people unfortunately every year in this country