• Part Number: WM-003
• Size: 16oz (treats up to 500 gallons for approximately 4 months)
• Compatible with: Chlorine, bromine, salt, and biguanide systems

Serum Total Maintenance is the only EPA-registered spa product proven to remove and control biofilm, bacteria, and organic contaminants in your hot tub's plumbing and water. Its advanced formula penetrates deep to eliminate hidden build-up, ensuring your spa remains crystal clear, soft, and safe for every soak.

• Eliminates and prevents biofilm and sludge in plumbing
• Reduces bacteria and organic buildup for healthier water
• Makes water feel softer and look sparkling clean
• Helps maximize sanitizer efficiency and extend filter life
• Works with all major spa sanitizing systems
• EPA Registration #84409-2 – the only spa product of its kind with proven biofilm control

1. With the pump running, add 1 ounce of Total Maintenance per 100 gallons of spa water weekly.
2. Pour directly into the filter compartment or spa water while jets are on.
3. Continue regular sanitizer and filtration routines.
4. Repeat each week to maintain water quality and prevent regrowth.

• Only EPA-registered spa treatment for biofilm and bacteria control
• Backed by industry-leading science and trusted by hot tub professionals
• Safe for all spa surfaces and plumbing types

Protect your spa, your water, and your peace of mind with Serum Total Maintenance. Enjoy clean, clear, and healthy hot tub water all year round!