Topic
Hot Tubs & Spas
Hot tubs that won’t heat, foam, smell or show error codes: water care and first checks before you call a spa technician.
Hot Tubs & Spas Hot Tub Foaming? What Actually Causes It
Hot tub foaming? Test sanitizer and pH, oxidize the water, rinse the filter and swimsuits, use defoamer only as a stopgap, and drain and refill if the water is old.
Hot Tubs & Spas Hot Tub Not Heating but Jets Work? Start Here
If your hot tub jets run but the water stays cold, the cause is usually flow, a tripped high-limit or a settings mode, not a dead heater. Check these in order.