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Swim University

Hot Tub Water Balancing

You may be wondering what’s the best way to balance your water. Don’t worry, that’s why we’re here! We’ll cover how to test and balance your hot tub water and maintain it in order to keep your spa in good working order for years. It can seem like a daunting task but don’t let it overwhelm you!

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 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.

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.

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.

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 Many Gallons of Water in a Hot Tub?

How Many Gallons of Water in a Hot Tub?

Don’t know how many gallons of water are in your hot tub? How can you know whether you’re adding enough sanitizer? Don’t guess. Get the data you need.

4 Alternative Hot Tub Sanitizers

4 Alternative Hot Tub Sanitizers

If you aren't a fan of bromine and chlorine in your hot tub, these alternative sanitizers will give you more cleaning options for your water.