Blog

Caldera Spa Troubleshooting: What the Logo Lights Mean and How to Fix Common Problems Caldera spas have a built-in way to tell you something needs attention before you even lift the cover. On many models, the Caldera logo on the front of the cabinet doubles as a status display, glowing in colors that show whether the spa has power, whether the water is ready, and whether something has gone wrong. Learning to read it turns many service calls into quick fixes you can handle yourself. This guide ex … read more

How to Drain and Refill a Caldera Spa: A Step-by-Step Guide for Fresh, Balanced Water No matter how carefully you maintain your water, it eventually needs to be replaced. Every soak adds body oils, lotions, and dissolved solids that sanitizer and filters cannot fully remove, and over time the water becomes harder to balance and less pleasant to use. A scheduled drain and refill resets everything. With a Caldera spa, the job is straightforward if you follow the right sequence, and doing it correc … read more

Caldera Spa Jets Explained: EURO-PULSE, VERSASSAGE, ADAPTASSAGE, and How to Adjust and Maintain Them Hydrotherapy is the reason most people choose a Caldera spa, and the jets are where that experience happens. Caldera builds its seats around several distinct jet styles, each designed to deliver a different kind of massage, and it pairs them with diverter valves and air controls that let you fine-tune the pressure. Knowing which jets you have, how they adjust, and how to keep them working smoothl … read more

FiberCor Insulation and Winterizing Your Caldera Spa: What Owners Should Know Caldera spas are built with full FiberCor insulation surrounding the shell, and understanding what that material actually does helps explain why a properly maintained Caldera spa holds heat as efficiently as it does throughout the year, and what to pay attention to as winter approaches. This guide covers how FiberCor insulation works, how it fits into the spa's overall energy efficiency, and the winterizing steps that … read more

Caldera Spa Replacement Cover Buying Guide: Fit, Foam, and Materials That Matter A worn or waterlogged spa cover is one of the most common, and most overlooked, reasons a well-maintained Caldera spa suddenly starts costing more to run. The heater has to fight harder to hold temperature, evaporation increases, and the whole system works overtime to compensate for a cover that no longer seals properly. Buying the right replacement does not need to be complicated once you understand what actually a … read more