Water Care

Our mission is to help you enjoy the wellness benefits of regular spa use by making water care easy. With Caldera® you can reduce chemical use and decrease chlorine odor while keeping your hot tub sanitized, healthy and ready to use any time.

A Comprehensive Guide to Quality Hot Tub Maintenance

Start with Clean Water

Make the most of your hot tub water care system with these chemical-free accessories to ensure you start with fresh, clean water.

Clean Screen®

Attach this pre-filter to your garden hose to remove organic contaminants, tannins, copper, iron and other metals from the water as you fill your spa.

Vanishing Act®

This calcium remover reduces buildup for softer-feeling water that's silkier on your skin. It helps protect your spa from the damaging effects of hard water.

Water Care Systems

@ease® In-line (chlorine) System

Introducing the innovation of SmartChlor® Technology - the self-regulating chlorine that works together with Frog® minerals in the easy to use
@ease In-line (chlorine) System. Enjoy the benefits of Fresh Mineral Water® that's cleaner, clearer, softer and easier to take care of with the unique properties of SmartChlor Technology that uses up to 75% less chlorine* and greatly reduces hot tub maintenance like shocking.

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Spa Frog® In-line (Bromine) System

The SPA FROG In-Line System enhances a standard hot tub up to 600 gallons with its patented delivery of minerals and a low dose of bromine. This hot tub Fresh Mineral Water® system eliminates the need for daily maintenance & chlorination, improves water quality and removes the unmistakable smell of chlorine, all the while reducing bromine use and enhancing your hot tub water quality. Simply snap the pre-filled mineral & bromine cartridges into the holder, sit back, relax and enjoy your hot tub.

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Exclusive Monarch Water and Spa Care Products

When caring for your Caldera spa, be sure to use only Caldera water care products – they’re designed specifically for compatibility with your spa.  With our Monarch line of high quality water care products, you can easily keep your spa water clean, clear and ready to enjoy.  To view the full selection of products, please visit your local dealer

CONCENTRATED CHOLRINE GRANULES 1.75 LB

Granular chlorine eradicates bacteria and other organic contaminants for clean, sanitized spas.

CONCENTRATED CHOLRINE GRANULES 14 OZ

Granular chlorine eradicates bacteria and other organic contaminants for clean, sanitized spas.

PH/ALKALINITY UP

Designed to prevent pH bounce and deterioration of spa surface and spa fittings from low total alkalinity, which might cause equipment corrosion.

PH/ALKALINITY Down

This granular product will adjusts your water pH and alkalinity down. Provides a greater amount of control for larger spas.

Defoamer

Caldera Spa Monarch Defoamer use to eliminate foam. Specially formulated oil-free silicone compound is very effective in eliminating spa foam. Foam is typically caused by body oils, soap, shampoo and other residues in spas

Stain & Scale

Caldera Spa Monarch Stain & Scale use weekly to prevent stain and scale build up. Designed to prevent scale formation, aid in the removal of existing scale and to help prevent precipitation of dissolved solids in spas.

Cover Shield

Caldera Spa Monarch Cover Shield use every 4 months to treat and protect your cover from harmful UV rays.

Instant Filter Cleaner

Caldera Spa Monarch Filter Cleaner is very effective in removing body oils from filter elements. Oils and suntan lotions can collect in the filter and reduce filtration efficiency.

Filter Cleaner

Caldera Spa Monarch Filter Cleaner is very effective in removing body oils from filter elements. Oils and suntan lotions can collect in the filter and reduce filtration efficiency.

Granular chlorine eradicates bacteria and other organic contaminants for clean, sanitized spas.

Granular chlorine eradicates bacteria and other organic contaminants for clean, sanitized spas.

Designed to prevent pH bounce and deterioration of spa surface and spa fittings from low total alkalinity, which might cause equipment corrosion.

This granular product will adjusts your water pH and alkalinity down. Provides a greater amount of control for larger spas.

Caldera Spa Monarch Defoamer use to eliminate foam. Specially formulated oil-free silicone compound is very effective in eliminating spa foam. Foam is typically caused by body oils, soap, shampoo and other residues in spas.

Caldera Spa Monarch Stain & Scale use weekly to prevent stain and scale build up. Designed to prevent scale formation, aid in the removal of existing scale and to help prevent precipitation of dissolved solids in spas.

Caldera Spa Monarch Cover Shield use every 4 months to treat and protect your cover from harmful UV rays.

Caldera Spa Monarch Filter Cleaner is very effective in removing body oils from filter elements. Oils and suntan lotions can collect in the filter and reduce filtration efficiency.

Caldera Spa Monarch Filter Cleaner is very effective in removing body oils from filter elements. Oils and suntan lotions can collect in the filter and reduce filtration efficiency.

Prelude Prelude Version 2.3.2