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Swim University
Save Time And Money With Our FREE Hot Tub Cheat Sheet
Download this FREE printable cheat sheet to keep your hot tub clean and clear. You’ll never worry about your hot tub again with this easy-to-use guide.

Hot Tub Troubleshooting

How to Clear Cloudy Hot Tub Water

How to Clear Cloudy Hot Tub Water

Say goodbye to cloudy hot tub water! Learn how to achieve crystal clear results with a quick filter rinse, proper water chemistry, and a powerful shock treatment. Informal and easy-to-follow guide.

Can You Put Epsom Salt in a Hot Tub?

Can You Put Epsom Salt in a Hot Tub?

Let's dive into why Epsom salt and hot tubs don't mix, the science, and effective alternatives for achieving similar benefits.

How to Get Rid of Foam in a Hot Tub

How to Get Rid of Foam in a Hot Tub

Did you find foam in your hot tub? Don't worry. It's easy to get rid of hot tub foam and even easier to prevent it. Let's learn how...

Is Your Hot Tub Water Green? Here’s How to Solve That Now!

Is Your Hot Tub Water Green? Here’s How to Solve That Now!

Is your hot tub water green? It's caused by either an algae bloom or a chemical reaction. I'll show you how to solve either issue quickly.

Hot Tub Troubleshooting: 6 Common Issues and Solutions

Hot Tub Troubleshooting: 6 Common Issues and Solutions

Hot tub troubleshooting on your own can save you big bucks on simple hot tub repairs, plus let you know when to step back and call a pro.

7 Reasons Your Hot Tub Is Tripping the Breaker

7 Reasons Your Hot Tub Is Tripping the Breaker

Is your hot tub tripping the breaker? Could be a fluke. Or it could be one of these seven things. Identifying the problem is the key to fixing it.

How To Fix a Hot Tub Air Lock

How To Fix a Hot Tub Air Lock

At some point, you'll encounter a hot tub air lock. It's inevitable and unavoidable. It's also easy to fix. Well, it will be after you read this.

How To Prevent and Remove Hot Tub Scum

How To Prevent and Remove Hot Tub Scum

It's one thing to see dirt and debris in your spa. But hot tub scum? That's a whole other level of ick. Learning what causes it is the key to preventing it.

How to Fix a Hot Tub Leak

How to Fix a Hot Tub Leak

Water should be in your hot tub, not around it. If your hot tub is leaking, the key to repairing it is knowing where and how to find it.

How to Remove and Prevent Hot Tub Stains

How to Remove and Prevent Hot Tub Stains

You’ve cleaned. You’ve scrubbed. And still, you have hot tub stains. Why? How do you remove them? And keep them from coming back? It’s all about the water.

How to Remove and Prevent Hot Tub Scale

How to Remove and Prevent Hot Tub Scale

What’s that buildup in your spa shell? Oh, it’s just hot tub scale. It’s not harmful, but the longer you leave it, the bigger the problem you may have.

How to Repair and Replace a Spa Blower

How to Repair and Replace a Spa Blower

Is your hot tub sitting stagnant because the spa blower isn't working and you're not sure what to do? All you need is a new blower and about half an hour.

Hot Tub Water Chemistry

Hot Tub Water Testing: The Complete Guide

Hot Tub Water Testing: The Complete Guide

Keeping tabs on your hot tub water is easy and the best thing you can do to head off problems. Just keep some spa test strips on hand, and you're set.

The Right Order to Add Hot Tub Chemicals

The Right Order to Add Hot Tub Chemicals

Adding chemicals in the wrong order can cause cloudy water and prevent them from working. So here’s the right order to add hot tub chemicals.

How Much Chlorine to Add to Your Hot Tub

How Much Chlorine to Add to Your Hot Tub

Unsure how much chlorine to add to your hot tub? It only takes a little bit, but it depends on your spa size. Here's a quick guide.

Bromine Hot Tub Maintenance 101

Bromine Hot Tub Maintenance 101

Using bromine in your hot tub is eaiser than chlorine. But it only works if you know when to add it (with other chemicals). Here’s a quick guide.

How to Lower Bromine in a Hot Tub

How to Lower Bromine in a Hot Tub

Too much bromine in your hot tub? High bromine is bad for the spa itself and its users. Here's an easy way to lower bromine in your hot tub.

Hot Tub Cyanuric Acid (Stabilizer): Do You Need It?

Hot Tub Cyanuric Acid (Stabilizer): Do You Need It?

No. Hot tub cyanuric acid (also known as CYA or chlorine stabilizer) is not necessary. It can actually cause more harm than good. Let's learn more.

The Complete Guide to Hot Tub Mineral Sanitizers

The Complete Guide to Hot Tub Mineral Sanitizers

Thinking about kicking caustic chlorine to the curb? Consider switching to a hot tub mineral sanitizer for clean water, softer skin and easier maintenance.

How to Adjust Calcium Hardness in a Hot Tub

How to Adjust Calcium Hardness in a Hot Tub

Stumped about calcium hardness in your hot tub? How to raise or lower it? Avoid corrosion by learning the basics of calcium hardness.

How to Raise Alkalinity in a Hot Tub

How to Raise Alkalinity in a Hot Tub

The best way to raise alkalinity in your hot tub or swim spa is to use an Alkalinity Increaser (or baking soda). Here's a step-by-step guide.

How to Lower Alkalinity in a Hot Tub

How to Lower Alkalinity in a Hot Tub

High alkalinity causes major hot tub issues. But why is your alkalinity high? Let's start there and help lower the alkalinity in your hot tub.

Hot Tub Chemicals: What You Need and How To Add Them

Hot Tub Chemicals: What You Need and How To Add Them

There are a few hot tub chemicals you absolutely must have and some that aren't necessary. Here's the chemicals you need and how to add them.

How to Lower pH in a Hot Tub

How to Lower pH in a Hot Tub

Learn how to lower pH in a hot tub with pH Decreaser (Sodium Bisulfate). Here's how and the brand of pH Decreaser I prefer to use.

Hot Tub Maintenance

A Beginner’s Guide to Hot Tub Maintenance

A Beginner’s Guide to Hot Tub Maintenance

There are 3 hot tub maintenance tules every owner should follow. Once you learn these rules, your hot tub will always be clean and clear.

How to Drain a Hot Tub Quickly (3 Simple Steps)

How to Drain a Hot Tub Quickly (3 Simple Steps)

Do you know how to drain a hot tub fast? Or how to clean it? Learn the fastest and easiest way to drain your hot tub. Don't waste another minute!

How to Clean Your Hot Tub Cover

How to Clean Your Hot Tub Cover

Learn how to clean a hot tub cover to make it last longer, keep it dry, and mildew-free. Make it easier to lift on and off your hot tub.

How to Clean Hot Tub Filters The Right Way

How to Clean Hot Tub Filters The Right Way

If your hot tub filters aren't clean, you're soaking in dirty water. So here's how to clean hot tub filters quickly and for a deep clean.

How to Clean a Hot Tub in Less Than 24 Hours

How to Clean a Hot Tub in Less Than 24 Hours

Does your hot tub need a deep clean? Here's how to clean a hot tub from the inside out, including how to purge your pipes of hidden gunk.

25 Awesome Hot Tub Care Tips and Tricks

25 Awesome Hot Tub Care Tips and Tricks

You test your water, add chemicals, and clean your spa from time to time. But what else could you be doing to make those maintenance chores even easier?

The Complete Guide to Hot Tub Jets

The Complete Guide to Hot Tub Jets

Without hot tub jets, your spa is just a big bathtub, and where's the fun in that? Learn how they work so you can keep them in working order.

How to Get Rid of Mildew on Hot Tub Pillows

How to Get Rid of Mildew on Hot Tub Pillows

What's worse than finding mold on your hot tub pillows? Not getting rid of it and watching the mold slowly take over your spa. Clean those pillows now!

How Often Should You Change Hot Tub Water?

How Often Should You Change Hot Tub Water?

Knowing how often to change hot tub water is key to good spa ownership. Sanitizer and shock only do so much. Eventually, you'll need to start fresh.

4 Ways To Remove Dirt and Debris From Your Hot Tub

4 Ways To Remove Dirt and Debris From Your Hot Tub

Need to remove a bit of dirt from your hot tub between cleanings? Got any Silly Putty on hand? If not, we have other ideas to help you get the yuck out.

7 Household Products to Clean Your Hot Tub

7 Household Products to Clean Your Hot Tub

Before you reach for harsh chemicals, take a look around the house. You may already have all the household products you need to clean your hot tub.

Hot Tub Equipment

Best Hot Tub Vacuums in 2025 (And How to Use Them)

Best Hot Tub Vacuums in 2025 (And How to Use Them)

A hot tub vacuum is a must-have tool for every spa owner. Here's how to buy the right one for you and the difference between each type.

The Truth About Owning a Salt Water Hot Tub

The Truth About Owning a Salt Water Hot Tub

Are they better? Before buying a salt water hot tub system, we'll bust several myths every hot tub owner needs to know.

The 22 Hot Tub Supplies You Absolutely Need

The 22 Hot Tub Supplies You Absolutely Need

Discover the best hot tub supplies, including chemicals and cleaning gear you need to keep it running smoothly. Get the must-haves here.

The 12 Best Hot Tub Accessories

The 12 Best Hot Tub Accessories

Are you looking to level up your hot tub? Here's the perfect list of my favorite hot tub accessories (with some surprises).

How to Measure Hot Tub Cover Dimensions Accurately

How to Measure Hot Tub Cover Dimensions Accurately

We'll show you how to measure your hot tub or existing cover so you can order a new spa cover that'll fit like a glove.

Hot Tub Ozonators: Do They Work and Are They Worth It?

Hot Tub Ozonators: Do They Work and Are They Worth It?

Is a hot tub ozonator right for you? An ozonator means fewer chemicals in your hot tub but potential spa cover damage. Here's a quick guide.

How Much Does It Cost to Run a Hot Tub?

How Much Does It Cost to Run a Hot Tub?

The number one question before you buy a spa is, how much does it cost to run a hot tub? Learn the factors to take into account to answer that question.

The Complete Guide to Hot Tub Heaters

The Complete Guide to Hot Tub Heaters

You've taken your last lukewarm soak. Choose the right hot tub heater, and enjoy fast, efficient, and always-comfortable soaking anytime and every time.

The Complete Guide to Hot Tub Pumps

The Complete Guide to Hot Tub Pumps

If you don't know your hot tub pump essentials yet, you'll wish you did when your jets suddenly quit. Get the scoop on spa pumps before problems start.

The Complete Guide to Spa Cover Lifters

The Complete Guide to Spa Cover Lifters

Throw your back out again trying to uncover your hot tub? Maybe it's time to invest in a spa cover lifter. And maybe not visit your chiropractor as often.

How Does a Hot Tub Control Panel Work?

How Does a Hot Tub Control Panel Work?

Learn everything your need to know about your hot tub's control panel so you can control your hot tub and troubleshoot any issues that may come up.

How Does a Hot Tub’s Filtration System Work?

How Does a Hot Tub’s Filtration System Work?

Do you know how your hot tub's filtration system works? Let's take a look at what makes up the system and how it functions to clean your water.

Hot Tub Opening and Closing