Calcium Hardness
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AquaSpa Calcium Hardness Enhancer 500g – Spa ChemicalCalcium Balance for Better Spa Care AquaSpa Calcium Hardness Enhancer is the calcium-balance step in the AquaSpa chlorine-free and bromine-free spa system, used when calcium hardness needs to be raised to support more balanced, better-protected spa water. When calcium hardness is too low, the... Learn More$15.00 -
SpaCare Calcium Hardness Enhancer 500g – Spa ChemicalBalanced Hardness for Clearer, More Stable Spa Water SpaCare Calcium Hardness Enhancer is formulated to raise calcium hardness in spa and hot tub water, helping maintain balanced water and protect the spa environment as part of your regular care routine. Calcium hardness plays an important role in... Learn More$22.00 -
Iluka Hardup Calcium Hardness Increaser 500g – Spa ChemicalIluka Hardup Increases the Calcium Hardness level in the spa and hot tub water. Water that is low in calcium can corrode equipment, etch the concrete and grouted surfaces, and provide an environment favourable to algal growth. The Calcium Hardness level of a spa and hot tub should always be… Learn More$26.00 -
Lo-Chlor Calcium Hardness Reducer 1L – Pool and Spa Chemical (DG)Balanced Calcium Levels for Clearer, Better-Protected Water Lo-Chlor Calcium Hardness Reducer is a highly concentrated liquid treatment formulated to help lower elevated calcium hardness levels in pools and spas. By binding excess calcium in the water, it helps bring hardness levels back into the... Learn More$39.00Available In-Store Only
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Zodiac Calcium Up Hardness Increaser 10kg – Pool ChemicalCalcium Balance for Better Pool Water Care Zodiac Calcium Up Hardness Increaser increases calcium hardness in swimming pool water to help correct soft or low-mineral water. It is used when calcium hardness needs to be increased as part of pool water balancing. Low calcium hardness can make... Learn More$65.00 As low as $53.00 -
New Zodiac Calcium Up Hardness Increaser 2kg – Pool ChemicalCalcium Balance for Better Pool Water Care Zodiac Calcium Up Hardness Increaser increases calcium hardness in swimming pool water to help correct soft or low-mineral water. It is used when calcium hardness needs to be increased as part of pool water balancing. Low calcium hardness can make... Learn More$16.00 -
New Zodiac Calcium Up Hardness Increaser 4kg – Pool ChemicalCalcium Balance for Better Pool Water Care Zodiac Calcium Up Hardness Increaser increases calcium hardness in swimming pool water to help correct soft or low-mineral water. It is used when calcium hardness needs to be increased as part of pool water balancing. Low calcium hardness can make... Learn More$26.00 -
Zodiac Calcium Down Scale & Stain Control 1L – Pool Chemical (DG)Reduce Scale and Staining from High Calcium Hardness Zodiac Calcium Down helps manage high calcium hardness in pool water, reducing scale formation, staining risk and cloudy water caused by elevated calcium levels. It supports clearer water while helping protect pool surfaces, heaters and salt... Learn More$35.00 As low as $28.00Available In-Store Only
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Clearchem Calcium Increaser 2kg - Pool ChemicalActive Constituent: 996GM/KG Calcium Chloride Features & Benefits: Increases level of calcium in pool water Raises total hardness in water Promotes improved water balance Assists in protecting pool equipment and helps prevent corrosion Assists in protecting pool surfaces thus safeguarding their… Learn More$13.00 -
Clearchem Calcium Increaser 4kg - Pool ChemicalActive Constituent: 740GM/KG Calcium Chloride Features & Benefits: Increases level of calcium in pool water Raises total hardness in water Promotes improved water balance Assists in protecting pool equipment and helps prevent corrosion Assists in protecting pool surfaces thus safeguarding their… Learn More$24.00 -
Clearchem Calcium Increaser 8kg - Pool ChemicalActive Constituent: 996GM/KG Calcium Chloride Features & Benefits: Increases level of calcium in pool water Raises total hardness in water Promotes improved water balance Assists in protecting pool equipment and helps prevent corrosion Assists in protecting pool surfaces thus safeguarding their… Learn More$47.00 -
Clearchem Calcium Increaser 10kg - Pool ChemicalActive Constituent: 996GM/KG Calcium Chloride Features & Benefits: Increases level of calcium in pool water Raises total hardness in water Promotes improved water balance Assists in protecting pool equipment and helps prevent corrosion Assists in protecting pool surfaces thus safeguarding their… Learn More$75.00 -
AussieGold 5 in 1 Water Test Strips for Swimming Pools (Chlorine, pH, Acid, Alkalinity, Hardness)…water. Simply dip the strip in the pool or spa water, wait a few seconds and check if your water is in the 'safe' area. It covers for the following factors of water chemistry: Chlorine / Bromide Test pH Test Acid Demand Test Total Alkalinity Test Calcium Hardness Each pack contains 50 test strips Learn More$19.00 -
Zodiac Stabilised Pool Chlorine 2kg – Pool Chemical...chlorine from sunlight so it lasts longer in outdoor pool water. Near-neutral Dichlor: pH 6.6 formula for stabilised chlorine sanitising. No calcium hardness increase: Adds chlorine without increasing calcium hardness in the water. Dosage & Coverage Initial shock treatment: 100g -... Learn More$40.00 As low as $35.00 -
Zodiac Stabilised Pool Chlorine 4kg – Pool Chemical...chlorine from sunlight so it lasts longer in outdoor pool water. Near-neutral Dichlor: pH 6.6 formula for stabilised chlorine sanitising. No calcium hardness increase: Adds chlorine without increasing calcium hardness in the water. Dosage & Coverage Initial shock treatment: 100g -... Learn More$69.00 As low as $52.00 -
New Zodiac Stabilised Pool Chlorine 1kg – Pool Chemical...chlorine from sunlight so it lasts longer in outdoor pool water. Near-neutral Dichlor: pH 6.6 formula for stabilised chlorine sanitising. No calcium hardness increase: Adds chlorine without increasing calcium hardness in the water. Dosage & Coverage Initial shock treatment: 100g -... Learn More$22.00 -
New Zodiac Stabilised Pool Chlorine 10kg – Pool Chemical...chlorine from sunlight so it lasts longer in outdoor pool water. Near-neutral Dichlor: pH 6.6 formula for stabilised chlorine sanitising. No calcium hardness increase: Adds chlorine without increasing calcium hardness in the water. Dosage & Coverage Initial shock treatment: 100g -... Learn More$165.00 -
New Zodiac Stabilised Pool Chlorine 50kg – Pool Chemical...chlorine from sunlight so it lasts longer in outdoor pool water. Near-neutral Dichlor: pH 6.6 formula for stabilised chlorine sanitising. No calcium hardness increase: Adds chlorine without increasing calcium hardness in the water. Dosage & Coverage Initial shock treatment: 100g -... Learn More$780.00Available in Store Only
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Zodiac Non-Stabilised Pool Chlorine 10kg – Pool Chemical (DG)Fast-Dissolving Chlorine for Daily Pool Treatment Zodiac Non-Stabilised Pool Chlorine is a fast-dissolving calcium hypochlorite sanitiser for swimming pools. It helps control bacteria, viruses and algae, supporting cleaner pool water through daily chlorine treatment. As a non-stabilised... Learn More$115.00Available In-Store Only
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New Zodiac Non-Stabilised Pool Chlorine 2kg – Pool Chemical (DG)Fast-Dissolving Chlorine for Daily Pool Treatment Zodiac Non-Stabilised Pool Chlorine is a fast-dissolving calcium hypochlorite sanitiser for swimming pools. It helps control bacteria, viruses and algae, supporting cleaner pool water through daily chlorine treatment. As a non-stabilised... Learn More$29.00Available In-Store Only
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New Zodiac Non-Stabilised Pool Chlorine 4kg – Pool Chemical (DG)Fast-Dissolving Chlorine for Daily Pool Treatment Zodiac Non-Stabilised Pool Chlorine is a fast-dissolving calcium hypochlorite sanitiser for swimming pools. It helps control bacteria, viruses and algae, supporting cleaner pool water through daily chlorine treatment. As a non-stabilised... Learn More$49.00Available In-Store Only
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New Zodiac Non-Stabilised Pool Chlorine 40kg – Pool Chemical (DG)Fast-Dissolving Chlorine for Daily Pool Treatment Zodiac Non-Stabilised Pool Chlorine is a fast-dissolving calcium hypochlorite sanitiser for swimming pools. It helps control bacteria, viruses and algae, supporting cleaner pool water through daily chlorine treatment. As a non-stabilised... Learn More$425.00Available In-Store Only
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Astral Pool Viron V45, Viron eQuilibrium EQ45, Halo 45 Pool Chlorinator Cell 12918 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add hydrochloric acid Weekly Total Alkalinity (ppm) 60 – 200 80 – 140 Add sodium bicarbonate Add hydrochloric acid Weekly Calcium Hardness (ppm) 100 – 400*** 90 – 300 Add calcium chloride Partially drain and refill pool* Weekly Cyanuric Acid (ppm) Up to 50 Below 30^ Add cyanuric acid Partially drain… Learn More$1,249.00 -
Astral Pool Viron V18, Viron eQuilibrium EQ18, Halo 18 Pool Chlorinator Cell 12915 (Genuine) - Self-Cleaning Chlorinator Spare Part…Add hydrochloric acid Weekly Total Alkalinity (ppm) 60 – 200 80 – 140 Add sodium bicarbonate Add hydrochloric acid Weekly Calcium Hardness (ppm) 100 – 400*** 90 – 300 Add calcium chloride Partially drain and refill pool* Weekly Cyanuric Acid (ppm) Up to 50 Below 30^ Add cyanuric acid Partially drain… Learn More$930.00
