New England Spas FREE SHIPPING ON ORDERS $200+ Account Checkout Cart Sauna Accessories Water Care Products Elemental Water Care Products (Chlorine) Elemental Water Change Supplies FreshWater Salt Water Care Products FreshWater Salt Water Change Supplies ACE Water Care Products ACE Water Change Supplies Bromine Water Care Products Bromine Water Change Supplies Sirona Water Care Products Sirona Water Change Supplies The Natural Water Care Products The Natural Water Change Supplies Frog @ease Cleaning Products & Supplies New England Spas Brand Filters Sundance Spa Filters HotSpring Spa Filters Jacuzzi Spa Filters Swim Spa Filters Filter Cleaning Products Hot Tub Accessories Covers & Cover Lifters Fragrances & Aromatherapy Steps Pillows & Jets Hot Tub Add On's Hot Tub Services Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Water Care Products > Elemental Water Care Products (Chlorine) > Defender Our Price: $24.99 Description Defends your hot tub from staining and scale build up. Related Items Test Strips - 5 Way (Tests Chlorine and Bromine) NES Sanitizer Side Kick Mineral Purifier Metal Gon Silky Smooth Our Price: $12.99 Add Our Price: $34.95 Add Our Price: $12.99 Add Our Price: $34.99 Add NES Natural Foam Away NES Start Rite Pre-Filter Elemental Water Change Bundle Renew (Shock) 2.2lbs Our Price: $24.99 Add Our Price: $39.99 Add Our Price: $239.27 Add Our Price: $21.99 Add