Spa water has a persistent musty or foul odor even after shocking.

Safety: Use spa system flush products according to manufacturer instructions and ventilate the area.

• Step 1 – System flush: Add a spa plumbing flush product to the water and run all pumps and jets per product directions to break down biofilm.
• Step 2 – Drain and clean: Drain the Vita Spa completely, wipe down the shell, and clean or replace filters.
• Step 3 – Refill and balance: Refill with fresh water, balance pH and alkalinity, and establish proper sanitizer levels.
• Step 4 – Maintenance: Maintain regular shocking and filter cleaning schedule to prevent recurrence.