Swim University

Stop Wasting Money On Pool Chemicals.

Get our proven pool care cheat sheets to cut your chemical costs in half while keeping your water perfectly balanced.

Pool Maintenance
Trusted By Pool & Hot Tub Owners Since 2006
  • YouTube Subscribers Icon (The YouTube Logo)
  • 316K
  • YouTube Subscribers
  • Email Subscribers Icon (Enveloper with Checkmark)
  • 195K
  • Email Subscribers
  • Annual Visitors Icon (Globe with Mouse Pointer)
  • 4.5M
  • Annual Visitors
  • Customers Served Icon (Shopping Cart)
  • 79K
  • Customers Served
BOOKS AND COURSES

Perfect Water Made Simple.

Skip years of trial and error. Get straight answers about water care from someone who's helped pool and hot tub owners get it right the first time.

product reviews Show Me Everything
THE POOL CARE APP

Stop Guessing. Start Swimming.

Enter your water test results. Get a custom treatment plan. Know exactly what chemicals to add to keep your pool clear.

  • Download on the App Store
  • Download on the App Store
Start your free 7-day trial. Then it’s only $49/year. Cancel anytime.

Articles

See all in Pool Care or Hot Tubs
Hot Tub Chemistry 101: What, When, and How to Add Chemicals

Hot Tub Chemistry 101: What, When, and How to Add Chemicals

Do you know which hot tub chemicals you need to keep the water balanced? What about when and how to add them? Get a hot tub chemistry education right here.

How to Raise pH in a Hot Tub

How to Raise pH in a Hot Tub

Looking for how to raise the pH in your hot tub? Or maybe how to lower the pH in your hot tub? Well, look no further. It's all right here.

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...

A Beginner’s Guide to Pool Maintenance

A Beginner’s Guide to Pool Maintenance

Learn proper pool maintenance with easy tips on cleaning, balancing chemicals, and troubleshooting common issues to keep your pool water clear.

The Fastest Way to Kill Pool Algae

The Fastest Way to Kill Pool Algae

Get rid of pool algae fast by following this sequence of pool cleaning steps. The quicker you act, the faster you can kill algae in your pool!

The Best Robotic Pool Cleaners in 2026

The Best Robotic Pool Cleaners in 2026

Robotic pool cleaners save you hours of work and don't need your filter system to run. See our top picks and must-have features before you buy.

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 Long Should I Run My Pool Pump Every Day?

How Long Should I Run My Pool Pump Every Day?

Learn how long to run your pool pump based on pool size, pump type, and season. Use our formula to save energy and keep your water clean.

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.

How to Vacuum Your Pool Super Quick

How to Vacuum Your Pool Super Quick

Got algae? Need a workout? Grab a pole, flex those muscles, and learn how to vacuum your pool by hand to keep it healthy, clean, and swimmable.

How to Shock a Hot Tub The Right Way

How to Shock a Hot Tub The Right Way

Do you know how to shock your hot tub? All it takes is knowing what type of hot tub shock to use and when to add it.

11 Common Pool Maintenance Mistakes

11 Common Pool Maintenance Mistakes

Pool care entails a lot of little details. It's easy to forget one or two of them from time to time. Luckily, all pool maintenance mistakes are fixable.