Calcium Hardness Increaser

Calcium hardness increaser for balanced pool water, helping protect pool surfaces and equipment from corrosive low-hardness conditions.

Iluka 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…

Stabilises pH, supports bather comfort and helps sanitisers work effectively.

Calcium hardness increaser for balanced pool water, helping protect pool surfaces and equipment from corrosive low-hardness conditions.

Calcium hardness increaser for balanced pool water, helping protect pool surfaces and equipment from corrosive low-hardness conditions.

Total alkalinity and pH buffer for stable pool water, effective chlorine performance and surface and equipment protection.

Total alkalinity and pH buffer for stable pool water, effective chlorine performance and surface and equipment protection.

Total alkalinity and pH buffer for stable pool water, effective chlorine performance and surface and equipment protection.

Active 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…

Active 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…

Active 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…

Raises total alkalinity and pH in spa and hot tub water to support balanced water, improved comfort, and more stable day-to-day spa maintenance.

Active 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…

Salt & mineral chlorinator with self-cleaning titanium cell, battery-backed timer, and clear salt/flow status.

Salt & mineral chlorinator with self-cleaning titanium cell, battery-backed timer, and clear salt/flow status.

Raises low pool pH to support swimmer comfort, chlorine performance and balanced water conditions.

Salt & mineral chlorinator with self-cleaning titanium cell, battery-backed timer, and clear salt/flow status.

Complete Iluka Sea Minerals start-up kit with everything needed to begin a softer, clearer and more luxurious sea-mineral spa care routine.

Step out and feel nothing — just silky, refreshing water.

Step out and feel nothing — just silky, refreshing water.

Step out and feel nothing — just silky, refreshing water.