Mineraluxe - Calcium Plus

Boosts calcium hardness to protect spa surfaces and components from corrosion or etching. Ideal for soft water areas.

Mineraluxe Calcium Hardness Plus
A fast-dissolving, high-purity calcium supplement formulated to raise calcium hardness in hot tubs and pools. Helps protect equipment, preserve surface finishes, and maintain water clarity and balance.
Calcium Increaser
Available in 550g bottle

Why Use This Product?

• Increases calcium hardness to recommended levels

• Essential for preventing:

  • Corrosion of metal components (heaters, jets, pumps)

  • Etching or damage to acrylic and plaster surfaces

  • Water foaming and instability

• Helps maintain proper water balance and extend equipment life

• Enhances the performance of other water treatment products

• Fine granules dissolve quickly and completely

• Compatible with all sanitizer types

When to Apply

• After filling or topping up your spa or pool with fresh water

• If water testing shows calcium hardness below the ideal range

  • Hot tubs: 150 – 250 ppm

  • Pools: 200 – 400 ppm

• Anytime you experience foaming, etching, or signs of corrosion

How Much to Use

• 10 g per 1,000 L increases calcium hardness by approx. 10 ppm

• Use the following guide to reach desired hardness:

  • Add 20 g per 1,000 L to raise 20 ppm

  • Add 50 g per 1,000 L to raise 50 ppm

• 1 capful ≈ 10 g

• Do not exceed 50 g per 1,000 L in a single dose

• Re-test water after application to confirm levels

How to Apply

• Ensure circulation system is running

• Pre-dissolve in a bucket of spa water if desired for faster dispersion

• Add product slowly to the spa or pool water, distributing evenly

• Let circulate for 1–2 hours before re-testing

• Apply in stages if large adjustment is needed