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)
  • 265K
  • YouTube Subscribers
  • Email Subscribers Icon (Enveloper with Checkmark)
  • 175K
  • Email Subscribers
  • Annual Visitors Icon (Globe with Mouse Pointer)
  • 4.5M
  • Annual Visitors
  • Customers Served Icon (Shopping Cart)
  • 70K
  • 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.

Articles

See all in Pool Care or Hot Tubs
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.

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.

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.

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.

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.

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 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.

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.

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 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.

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 Shock a Pool The Right Way

How to Shock a Pool The Right Way

Been a while since you shocked your pool? You're laying out a doormat for algae and other contaminants. Put up a keep out sign with a dose of pool shock.