Ultimate Spa Calci Boost

Spa · Spa Balancer

SPA Calci-Boost 750g

$18.00

Ultimate SPA Calci-Boost increases total hardness in water.

  • Increases Calcium Hardness.
  • Protects walls and equipment.
  • Low Calcium creates metal corrosion, effecting piping, chlorinating system and shortens life of filters.
  • This product comes in larger sizes. Click here

Protect your spa with Ultimate SPA Calci-Boost. This fast-dissolving treatment increases calcium hardness to help maintain balanced water. Proper calcium levels protect spa surfaces and equipment from corrosion, helping extend the life of pipes, filters, and chlorinating systems. Ideal for regular spa maintenance, using a calcium hardener supports healthy water and reliable equipment performance. If Calcium Hardness is beyond desired levels and causing scaling and staining in your pool. We suggest using Scaletec by Easy care to remove scaling and prevent future staining.

Why shop with us

NZ-wide shipping

We’ll send your order to you, wherever you are in New Zealand.

Service team on call

Phone or email our pool technicians for advice on any order.

Equipment warranty

Pumps, heaters and robotic cleaners are covered by manufacturer warranty, with our team on hand if anything needs sorting.

A Trusted Partnership

“The quality in manufacture of the pool, and the equipment offered as standard or available as an option, and the prices, are second to none.”

Murray Wright· Online store customer

Need advice before you buy?

Visit our Rosedale showroom for a free water test, or talk to our pool care team for tailored recommendations.