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Maintenance & Water Care

For Crystal Clear Water, Day-In, Day-Out

Hot Tub Maintenance

FROG™ Water Care System

The FROG integrated water care system makes hot tub water treatment super simple. There’s nothing to measure or pour. Just dial in the recommended use level on the mineral and bromine cartridges and insert the cartridges into the integrated housing built into the hot tub.:

Hot Tub Maintenance

Monarch™ CD Ozone Water Care System

The optional Monarch Corona Discharge (CD) ozone water care system is a virtually chlorine-free approach to water care. It reduces the need for hot tub chemicals by continuously mixing highly concentrated ozone into the water in combination with MPS and silver ions.

Hot Tub Maintenance

Clean Screen Pre-Filter

The Clean Screen pre-filter prevents organic contaminants, tannins, copper, iron and other metals from entering your spa water. It's simple to use – just attach it to a garden hose, fill your spa and enjoy fresh, clean water.

Hot Tub Maintenance

Vanishing Act Calcium Remover

To soften hard water without chemical additives, use the Vanishing Act calcium remover. Softer water leaves your skin feeling silkier, and helps protect your hot tub from the damaging effects of hard water.

Start with Clean Water

To ensure the cleanest, softest water, use the Clean Screen™ pre-filter and Vanishing Act™ calcium remover. These two innovative water care products work especially well with the FROG system to optimize water treatment. Use the Clean Screen pre-filter to ensure that fresh, clean water is introduced into your spa. Then, reduce your water hardness with the Vanishing Act calcium remover and create softer feeling water. Together, these chemical-free treatments help you experience superior water quality and extend the time between water changes
Hot Tub Maintenance

Chlorine Granules

These completely soluble and nearly pH neutral granules are a popular and efficient water sanitizer solution.

pH/Alkalinity Up, pH/Alkalinity Down

Up prevents pH bounce and deterioration of spa surface and fittings from low total alkalinity, while Down decreases spa water pH.

Calcium Hardness Increaser

Raises calcium levels in spa water to protect against "soft" water corrosion and staining.

Stain & Scale Defense

Prevents calcium build-up on spa surfaces and controls stain and scale formation.


Quickly eliminates foaming caused by soap, shampoo, cleaners and other residues.

Test Strips

Use these test strips to check for levels of chlorine, bromine, pH, alkalinity and total hardness of your spa water.

Replacement Hot Tub Filters

Genuine Caldera replacement hot tub filters provide the best fit and performance for your spa.