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
How Long Should I Run My Pool Pump Every Day?

How Long Should I Run My Pool Pump Every Day?

Well, 24 hours a day would be ideal. But there's a better answer to how long to run a pool pump, and it won't make your electric bill skyrocket.

Pool Volume Calculator: How Many Gallons of Water Does Your Pool Hold?

Pool Volume Calculator: How Many Gallons of Water Does Your Pool Hold?

Exactly how much water does your pool hold? Use this pool volume calculator and reference chart to quickly find out.

The Best Solar Pool Covers in 2025

The Best Solar Pool Covers in 2025

A solar cover can save you money on chemicals, your electric bill, and even reduce water evaporation. We picked the best solar pool covers in 2024.

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.

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 Clean a Pool Filter (Sand, Cartridge, D.E.)

How to Clean a Pool Filter (Sand, Cartridge, D.E.)

Do you know how to clean a pool filter? Are you sure? Get crystal clear, pristine pool water by keeping any type of filter clean with a few easy methods.

The Best Pool Alarms To Keep Kids Safe in 2024

The Best Pool Alarms To Keep Kids Safe in 2024

A pool alarm is an easy way to keep your family safe. But some alarms are safer than others. Here are the best pool alarms of the year.

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...

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.

The Best Chlorine Tablets for Your Pool (and How to Safely Add Them)

The Best Chlorine Tablets for Your Pool (and How to Safely Add Them)

Should you switch from granules to chlorine tablets? Yes, if you're looking for an easier, more effective way to sanitize your pool. Find out why.

Pool Cleaning 101: Why, When and How To Clean Your Pool

Pool Cleaning 101: Why, When and How To Clean Your Pool

No one wants to swim in a dirty, nasty pool! Learn how to clean a swimming pool the right way, and keep it clear, beautiful, and swimmable at all times.

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.