When Your Hot Tub Water Is Too Soft: Fixing Low Calcium Hardness

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.

Cloudy Hot Tub Water: What’s Causing It and How to Clear It

Cloudy hot tub water usually comes down to four culprits: low sanitizer, unbalanced pH or alkalinity, high calcium hardness, or a clogged filter. Testing your water and working through the causes in order will clear it up faster than dumping in clarifier and hoping for the best.