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.
Make the most of your hot tub water care system with these chemical-free accessories to ensure you start with fresh, clean water.
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.
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.
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.
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.
Learn MoreWhen 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
Our Monarch® CD Ozone System mixes concentrated ozone bubbles into the water to neutralize contaminants. When used in conjunction with the @ease SmartChlor® Cartridge, you’ll get our most effective water care system. As an option for virtually chlorine-free water care, combine the CD Ozone System with Monarch Silver Cartridges and MPS non-chlorine oxidizers instead of the @ease cartridge.
Prelude Version 2.3.2