The Most Common Hot Tub Problems
Every hot tub develops problems eventually. That’s true no matter what brand sits in your backyard, and anyone who tells you otherwise is selling you something.
What matters is which problems are just normal ownership, and which ones you can dodge entirely by knowing what to look for before you buy.
Here’s an honest look at the issues that show up most, including a few that can happen with a Hot Spring spa, too.
Tripped GFCI Breakers
This is probably the single most common electrical complaint hot tub owners run into. And it happens across every brand on the market.
Your GFCI, or ground fault circuit interrupter, is designed to cut power the moment it senses an abnormal electrical fluctuation. Sometimes it trips for reasons that have nothing to do with a real problem.
Hot Spring’s own troubleshooting guidance points to a handful of usual culprits:
- a corroded or damaged heater
- corroded electrical contacts or
- a loose connection somewhere in the system
None of this is unique to Hot Spring. It’s physics and wiring, and it happens with Bullfrog, Jacuzzi, and everyone else, too.
What you can avoid before you buy is a spa installed on a poorly wired circuit or without a dedicated GFCI breaker that trips far more often than one installed correctly.
This isn’t really a brand problem. It’s an installation problem, so make sure your dealer or electrician gets it right the first time.
Water Chemistry Gone Wrong
Cloudy water, skin irritation, and rashes almost always trace back to the same root cause, which is water that isn’t properly sanitized.
Hot Spring is blunt about this one. Their own FAQ states plainly that a hot tub should never cause skin rashes, and if it does, it means bacteria have built up because the water wasn’t properly maintained.
This isn’t a defect in the spa. It’s a maintenance issue, and it can happen with any brand if you skip regular water testing. The good news is that we offer complimentary water testing for all our customers.
In addition, ask your dealer whether the spa you’re considering has a salt system. Hot Spring notes that spas equipped with its FreshWater Salt System only need a full drain and refill about once a year. Compare this to the standard recommendation of every three to four months for spas without one. Fewer drains means fewer chances you’ll get the chemistry wrong.
Clogged or Underperforming Filters
A dirty filter is a sneaky problem because it doesn’t announce itself.
Your jets just get weaker, or your water starts looking a little off, and you don’t immediately connect it to the filter.
Hot Spring’s owner’s manual is direct about the stakes here: neglecting your filter can limit water flow or even trip the high limit thermostat, which shuts down the entire spa. That’s a real problem, and it’s one that happens to Hot Spring owners just like it happens to everyone else.
You can’t necessarily avoid this one before you buy, no matter your brand choice. It is only avoidable through habit. Clean your filter monthly, regardless of what spa you buy.
Using the Wrong Chemicals or Accessories
This is a problem that’s genuinely avoidable and depends solely on you.
Using pool chemicals instead of spa-specific chemicals can throw off your water balance and cause damage down the road. Hot Spring also specifically warns against bromine floaters, since a floater sitting in one spot can etch and pit the plastic shell with concentrated chemical exposure, leaving rough patches that can’t be sanded out.
Aromatherapy oils and bath salts may carry a similar warning, since they can gum up filters and damage electrical components.
None of this is a flaw in the spa itself. It’s a flaw in what people put into the spa. But it’s worth knowing ahead of time, because it means part of protecting your investment is resisting the urge to treat your hot tub like a swimming pool or a bath.
Heater and Pump Wear Over Time
Every hot tub has mechanical parts that wear out eventually, and Hot Spring doesn’t pretend otherwise.
Their own guidance describes heaters and jet pumps as wearable mechanical parts that may eventually need repair or replacement, even in a well-built spa. This is true of every hot tub brand on the market. Parts that run daily for a decade or more will need attention at some point.
What you can avoid before you buy: ask about parts availability and dealer network size before you commit to a brand.
Hot Spring notes that even a 20-year-old spa can typically still get parts through an authorized dealer like Feista. This is because Hot Spring provides equal-or-better replacement components when an original part is discontinued. A smaller or newer brand may not be able to promise the same thing.
The One Thing You Genuinely Can’t DIY
If your spa’s control box needs attention, don’t open it yourself. Hot Spring’s manuals are explicit that there are no user-serviceable parts inside, and opening the control box yourself voids your warranty. This isn’t a Hot Spring quirk.
It’s true of virtually every hot tub brand, since the components inside carry real electrical risk. Always call your dealer (like us!).
So What Should You Actually Do Before You Buy?
Ask your dealer three things:
- What’s the warranty on the heater and pump
- How has water chemistry maintenance changed if the spa has a salt system
- How easy will it be to find service and parts ten years from now?
None of these questions is about picking the “perfect” spa that never breaks, because that spa doesn’t exist. They’re about picking a spa backed by a company like Hot Spring Spas and a dealer like Fiesta that’s been around for more than 70 years and will still be there when something eventually needs attention.
Stop by Fiesta Pools and Spas, and we’ll walk you through exactly what maintenance looks like on the models you’re considering, the good and the occasionally annoying.
You deserve an honest answer before you buy, not just after something goes wrong.









