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 BaquaSpa Water Care Products BaquaSpa Water Change Supplies The Natural Water Care Products The Natural Water Change Supplies 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 Filters 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: $15.99 Description Defends your hot tub from staining and scale build up. Limit three per customer. Related Items Calcium Booster Renew (Shock) 2.2lbs SeaKlear Defoamer with Clarifier Elemental Water Change Bundle Our Price: $11.99 Add Our Price: $30.99 Add Our Price: $29.99 Add Our Price: $272.57 Add Spa 56 (Granular Chlorine) - 5lb Spa 56 (Granular Chlorine) - 2lb Renew (Shock) 5lbs Zorbie Our Price: $73.99 Add Our Price: $39.99 Add Our Price: $66.99 Add Our Price: $17.99 Add