Luma Premium Hardness Plus 1kg | Swimming Pool & Spa Water Balance

Maintain balanced water with Luma Premium Hardness Plus. Designed for swimming pools, hot tubs and spas, this calcium hardness increaser helps restore water balance, reducing the risk of damage caused by soft water while helping protect pool surfaces, heaters and equipment. Ideal for routine adjustments and ongoing water care.

Maintaining the correct water balance is essential for protecting your pool or spa and keeping your water comfortable and enjoyable. When calcium hardness levels are too low, water can become aggressive, which may impact grout, finishes, heaters and metal components over time.

Luma Premium Hardness Plus has been carefully selected for pool owners and professionals looking for dependable water treatment and effective protection for their pool or spa investment.

This premium granular formula helps safely increase calcium hardness levels, bringing your water back into the recommended operating range. Used alongside accurate water testing and a consistent maintenance routine, it helps reduce the effects of corrosive water conditions while supporting the protection of pool surfaces and equipment. The 1kg pack is ideal for smaller adjustments, routine maintenance and targeted water balancing.

Key Features

• Raises calcium hardness levels
• Helps reduce aggressive water conditions
• Supports protection of pool finishes and equipment
• Helps maintain balanced water chemistry
• Suitable for swimming pools, spas and hot tubs
• Ideal for routine maintenance and corrective treatment

How to Use

Measure calcium hardness before treatment. Add only as stated on the product label, allow full circulation and retest before making further adjustments.