Getting hot tub chemistry right on the first fill sets you up for months of easy maintenance. This guide walks through every step in the correct order, with specific targets for each parameter, so you don’t end up chasing water problems from week one.
Low calcium hardness is one of the most overlooked hot tub chemistry problems. Soft water slowly corrodes equipment and surfaces by pulling minerals from whatever it touches. This guide explains what soft water does, how to test for it, and exactly how to fix it.
Low calcium hardness is one of the most overlooked hot tub chemistry problems. Soft water aggressively corrodes surfaces and equipment, and fixing it is simpler than most owners expect. This guide covers the target range, the risks of ignoring it, and exactly how to bring calcium hardness up.
Soft water in a hot tub is more damaging than most owners realize. Low calcium hardness eats away at acrylic shells, corrodes heater elements, and causes persistent foam. This guide explains what target range to hit, how to raise calcium safely, and how to spot the damage before it gets expensive.