Serum Maintenance 2 Liter
- POWERFUL CLEAN: One weekly dose with your existing sanitizer keeps your water system clean and clear
- LAST 4-6 MONTHS: Concentrated formula helps you keep your plumbing clean up to six months
- CRYSTAL CLEAR WATER: Water will look, smell and feel soft and silky.
- MULTI USE: Specially formulated to keep your hot tub, spa, jetted tub or whirlpool fresh
- SAVES YOU MONEY: Cut down on costly repairs and replacements with properly cleansed pipes jets and heater