Hot Tub Serum Maintenance & Conditioner Watercare Kit &ndash; Includes 2 oz Cleanse POWERFUL CLEAN: One weekly dose with your existing sanitizer keeps your water system clean and clear MULTI USE: Specially formulated to keep your hot tub, spa, jetted tub or whirlpool fresh ECO-FRIENDLY: Gentle formula clears spa pipes without harsh chemicals for soft, silky water SAVES YOU MONEY: Cut down on costly repairs and replacements with properly cleansed pipes and jets CONDITIONER INCLUDED: Concentrated serum with cleansing conditioner keeps plumbing clean 4-6 months Add one teaspoon per 100 gallons of Hot Tub Total Cleanse to water. Run jets of high for 5-10 minutes to purge tub of bio matter and sludge Drain tub and wipe clean Refill hot tub To keep bio build-up from ocurring again, add one capful of Serum Total Maintainance per 100 gallons approx. every 7 days Hot Tub Serum works with any sanitizer and is septic-tank safe