Calcium Hardness
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-23.85% Davey/Monarch ChloroMatic P125/P150 Pool Chlorinator Cell (Genuine) - Chlorinator Spare Part…Weekly Total Alkalinity (ppm) 80 – 300 80 – 150 Add Sodium Bicarbonate Add Muriatic or Dry Acid Weekly Calcium Hardness (ppm) 90 – 300 Concrete & Tiled Pools:200-275 Other Surfaces100-225 Add Calcium Chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 30 – 50 Add Cyanuric Acid… Learn MoreSpecial Price $380.00 Regular Price $499.00Out of stock -
-15.01% Davey/Monarch ChloroMatic P75 Pool Chlorinator Cell (Genuine) - Chlorinator Spare Part…Weekly Total Alkalinity (ppm) 80 – 300 80 – 150 Add Sodium Bicarbonate Add Muriatic or Dry Acid Weekly Calcium Hardness (ppm) 90 – 300 Concrete & Tiled Pools:200-275 Other Surfaces100-225 Add Calcium Chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 30 – 50 Add Cyanuric Acid… Learn MoreSpecial Price $300.00 Regular Price $353.00Out of stock -
Davey EcoSalt 26 / Chloromatic BMSC 26 Pool Chlorinator Cell M0682REP (Genuine) - Self-Cleaning Chlorinator Spare Part…Weekly Total Alkalinity (ppm) 80 – 300 80 – 150 Add Sodium Bicarbonate Add Muriatic or Dry Acid Weekly Calcium Hardness (ppm) 90 – 300 Concrete & Tiled Pools:200-275 Other Surfaces100-225 Add Calcium Chloride Partially drain & refill pool Weekly Cyanuric Acid (ppm) 30 – 50 30 – 50 Add Cyanuric Acid… Learn More$999.00Out of stock -
Taylor Complete Pool & Spa Test Kit - High Range K-2005C - DPD…comparisons even easier Includes nine tests for thorough testing: Total Chlorine Free Chlorine Bromine pH Acid Demand Base Demand Total Alkalinity Calcium Hardness Cyanuric Acid. Includes: a copy of “Pool & Spa Water Chemistry: A Testing and Treatment Guide" as well as a Taylor Watergram for water… Learn More$229.00Out of stock -
Zodiac Clearwater C170 Screw On Pool Chlorinator Cell W193851 (Genuine) - 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$449.00Out of stock -
Zodiac Clearwater C250 Screw On Pool Chlorinator Cell W193871 (Genuine) - 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$599.00Out of stock -
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$339.00Out of stock -
Saltmate SMT150 Deluxe Standard Saltwater Chlorinator w/Timer, Battery Backup and 12V Transformer…high hardness levels minimise or avoid the use of chemicals containing calcium, especially, “Calcium Hardness” and calcium-based granular chlorine. Cleaning The Electrolytic Cell: The Saltmate cell operates only efficiently when it is clean. A "dirty" electrode will have visible deposits of calcium… Learn MoreOut of stock -
AquaSpa Spa Shock Non-Chlorine Shock Treatment and Oxidiser 1kg – Spa Chemical...after each use if extra oxidation support is needed for optimum water clarity. Maintain pH at 7.4–7.6, total alkalinity at 125–150ppm, and calcium hardness at 200–275ppm for concrete and tiled spas and hot tubs, or 175–225ppm for other surfaces. AquaSpa Spa Shock supports oxidation and... Learn More$45.00 As low as $28.00Out of stock -
Saltmate SMT200 Deluxe Standard Saltwater Chlorinator w/Timer, Battery Backup and 12V Transformer…high hardness levels minimise or avoid the use of chemicals containing calcium, especially, “Calcium Hardness” and calcium-based granular chlorine. Cleaning The Electrolytic Cell: The Saltmate cell operates only efficiently when it is clean. A "dirty" electrode will have visible deposits of calcium… Learn MoreOut of stock -
AquaSpa Spa Kleer Natural Clarifier 500mL – Spa Chemical...been shock cleaned, allow a week or two for optimum results to settle in. Maintain pH at 7.4–7.6, total alkalinity at 125–150ppm, and calcium hardness at 200–275ppm for concrete and tiled spas and hot tubs, or 175–225ppm for other surfaces. Regular filter cleaning also helps support water... Learn More$15.00 As low as $9.00Out of stock -
AquaSpa Spa Kleer Natural Clarifier 2.5L – Spa Chemical...been shock cleaned, allow a week or two for optimum results to settle in. Maintain pH at 7.4–7.6, total alkalinity at 125–150ppm, and calcium hardness at 200–275ppm for concrete and tiled spas and hot tubs, or 175–225ppm for other surfaces. Regular filter cleaning also helps support water... Learn More$49.00 As low as $32.00Out of stock -
AquaSpa Spa Kleer Natural Clarifier 5L – Spa Chemical...been shock cleaned, allow a week or two for optimum results to settle in. Maintain pH at 7.4–7.6, total alkalinity at 125–150ppm, and calcium hardness at 200–275ppm for concrete and tiled spas and hot tubs, or 175–225ppm for other surfaces. Regular filter cleaning also helps support water... Learn More$89.00 As low as $62.00Out of stock
