Shock Dose for Closing a 6-Person Hard-Shell Hot Tub for Winter
Closing a 6-person hard-shell hot tub for winter takes more than just draining the water. You need the right shock dose at the right time to kill what’s living in your plumbing before it sits dormant for months. This guide gives you exact amounts for both chlorine and non-chlorine shock, plus the steps to do it right.