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Hot Tub Water Chemistry: A Simple Guide to Clear, Safe Water
Hot tub water chemistry can seem complicated when you first start looking at test strips, bottles of chemicals, sanitizer levels, pH, alkalinity, shock, and filtration. It becomes much easier when you stop thinking of water care as a long list of chemicals and break it into three basic categories: All three work together. Good chemistry…
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Hot Tub Water Keeps Overheating? What to Check First
If your hot tub is set to 100°F but the water keeps climbing to 102°F, 104°F, or even higher, it doesn’t necessarily mean the heater is stuck on. One of the most common causes I see is much simpler: The filtration cycle is running too long — or it’s running during the hottest part of…
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Hot Tub Losing Water but No Leak? What to Check First
If your hot tub water level keeps dropping but you can’t find a leak, don’t assume there’s a hidden plumbing problem just yet. Hot tubs can lose a surprising amount of water without having a mechanical leak. People getting in and out of the spa, splashing, evaporation, and even a poorly fitting cover can all…
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Hot Tub Has No Power? What to Check
The breaker is on, but your hot tub appears completely dead. The topside control is blank. No lights. No pumps. No response when you press the buttons. It’s easy to assume the main circuit board has failed. Don’t replace the spa pack yet. Why a Misdiagnosed Circuit Board Can Still “Fix” the SpaOn some control…
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Hot Tub Breaker Keeps Tripping Randomly? How to Find an Intermittent GFCI Trip
Your hot tub runs perfectly for hours—or even days. Then suddenly: Click. The breaker trips. You reset it and everything works normally again. Maybe it runs for another day. Maybe a week. Then it happens again. Intermittent hot tub breaker trips can be some of the most difficult electrical problems to diagnose because the problem…
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How to Find a Leak in a Full-Foam Hot Tub
Finding a leak in a full-foam hot tub can be one of the most frustrating and time-consuming hot tub repairs. You open the equipment compartment. Nothing. You remove another cabinet panel and find wet foam. So you start digging. An hour later you’re surrounded by pieces of insulation—and you still haven’t found the leak. Unfortunately,…
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Water Around Hot Tub But No Leak? Here’s What to Check
You find water around the bottom of your hot tub, so naturally you assume something is leaking. You open the equipment compartment. Dry. You check behind the other cabinet panels. The plumbing and insulation are dry too. So where is the water coming from? Water around a hot tub doesn’t always mean the spa itself…
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Hot Tub Leaking? Here’s What to Check First
You notice water around the bottom of your hot tub. Or maybe the water level seems to be dropping faster than it should. Before assuming you have a cracked shell or a major plumbing problem, start with the areas where hot tub leaks are most likely to occur. Most hot tubs contain dozens of plumbing…
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How to Winterize a Pool Heater: Protect It From Freeze Damage
A pool heater can be one of the most expensive pieces of equipment in your pool system—and it doesn’t take much trapped water to cause serious freeze damage. When water freezes, it expands. If water is left inside the heater’s heat exchanger, plumbing, pressure switch, or other small passages, that expansion can crack components that…
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Why Is My Hot Tub Cover So Heavy? It May Be Waterlogged
Your hot tub cover used to be easy to lift. Now it feels like it weighs twice as much. If a hot tub cover gradually becomes much heavier than it used to be, there’s a good chance moisture has made its way into the cover and the foam insulation has become waterlogged. Unfortunately, once the…