Calcium Hardness
-
Astral Pool VX9 and E35 Pool Chlorinator Cell w/ Housing 21907 (Genuine) - Self-Cleaning Chlorinator Spare Part...your chlorinator convert salt water into chlorine, supporting clear, sanitised and comfortable pool water. Its self-cleaning operation helps reduce calcium build-up on the cell plates, making ongoing maintenance easier. Key Features Complete genuine assembly: Includes the cell with housing... Learn More$1,199.00 -
Astral Pool VX11 Pool Chlorinator Cell w/ Housing 21908 (Genuine) - Self-Cleaning Chlorinator Spare Part...your chlorinator convert salt water into chlorine to support clear, sanitised and comfortable pool water. Its self-cleaning operation helps reduce calcium build-up on the cell plates, making ongoing maintenance easier. Key Features Complete genuine assembly: Includes the VX11 cell with... Learn More$1,299.00 -
Zodiac Element Mineral Salts 10kg – Pool Chemical...show as salinity. If you are reading TDS rather than salinity directly, multiply your TDS result by 0.68 to estimate actual salinity. My hardness test result looks very high. Does that mean I have too much calcium? Not necessarily. Many test kits measure total hardness, which includes... Learn MoreAvailable In-Store Only
-
Zodiac Element Activate Mineral Salts 10kg – Pool Chemical...would with standard pool salt, so always follow the recommended dosage guidance and your chlorinator manufacturer’s salinity requirements. My hardness test result looks very high. Does that mean I have too much calcium? Not necessarily. Many test kits measure total hardness, which includes... Learn MoreAvailable In-Store Only
-
Zodiac Ei 18 Compact Pool Chlorinator Cell W197611 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$799.00 -
Zodiac Ei 25 Mid Pool Chlorinator Cell W197621 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$1,150.00 -
Zodiac Ezi Salt 24 / Ei2 Mid 25 Pool Chlorinator Cell R0710800 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$949.00 -
Zodiac Ezi Salt 40 Large Pool Chlorinator Cell R0894900 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$875.00 -
Zodiac Clearwater LM3-15 Pool Chlorinator Cell W196564 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$710.00 -
Zodiac Ei2 Compact 18 Pool Chlorinator Cell R0710700 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$799.00 -
Zodiac Clearwater LM2-15 Pool Chlorinator Cell W202031 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$799.00 -
Zodiac Clearwater LM2-40 Pool Chlorinator Cell W202071 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$1,099.00 -
Zodiac Clearwater LM2-20 Pool Chlorinator Cell W202041 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$799.00 -
Zodiac Clearwater LM2-24, EL-24 Pool Chlorinator Cell W202051 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$899.00 -
Zodiac Clearwater LM2-30 Pool Chlorinator Cell W202061 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$999.00 -
Zodiac Clearwater LM3-30 Pool Chlorinator Cell W196594 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$949.00 -
Zodiac Aquasphere 25 Pool Chlorinator Cell W202472 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$899.00 -
Zodiac Clearwater LM3-20 Pool Chlorinator Cell W196574 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$849.00 -
Zodiac Clearwater D-25, EL-1 Pool Chlorinator Cell W202111 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$899.00 -
Zodiac Clearwater LM3-24/Ei3-24 Pool Chlorinator Cell W196584 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$899.00 -
Zodiac Clearwater LM3-40/Ei3-40 Pool Chlorinator Cell W196604 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add muriatic acid Weekly Total Alkalinity (ppm) 80 – 300 80 – 140 Add sodium bicarbonate Add muriatic or dry acid Weekly Calcium Hardness (ppm) 90 – 300 90 – 300 Add calcium chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 50 Add cyanuric acid Partially drain & refill pool… Learn More$1,299.00 -
Zodiac Scale Stop 5L – Pool Chemical...e Control for Pool Surfaces and Equipment Zodiac Scale Stop is a liquid scale-control treatment for all pools and pool surfaces. It helps keep calcium suspended in the water, reducing the chance of mineral deposits forming along the waterline, on salt-chlorinator cells and throughout pool... Learn More$65.00 As low as $57.00 -
Taylor Complete Pool & Spa Test Kit - High Range K-2006C - FAS-DPD Chlorine…Hardness Reagent Calcium Indicator Liquid Calcium Buffer; 2 Chamber Comparator Water Balance Calculator Wheel Cyanuric Acid Testing Bottle 7 / 14 mL. This Pool Test Kit can measure: Free & Total Chlorine - 0.5ppm - 5.0ppm Bromine - 1.0ppm - 10.0ppm pH - 6.8 - 8.2 Acid Demand / Base Demand Calcium… Learn More$750.00 -
Iluka Sea Minerals Start-Up Kit – Spa Chemical...Started Fill the spa, swim spa or hot tub with fresh water. Test the spa water using the included 3-in-1 test kit. Balance pH, Total Alkalinity and Calcium Hardness using Elevate, Descend or Hardup as needed. Add Iluka Purify to establish the correct sanitiser level. Add Bliss, Seachange and... Learn More$170.00
