Swim University

Chlorine

Pool Chlorine Calculator and Dosing Guide

Pool Chlorine Calculator and Dosing Guide

Use our free pool chlorine calculator to get the exact dose for your pool size, CYA level, and product. Balance your water the right way today.

How to Use a Chlorine Neutralizer in Your Pool

How to Use a Chlorine Neutralizer in Your Pool

Learn how to use a chlorine neutralizer to quickly lower high chlorine levels in your pool. Before using it, compare it to other options like hydrogen peroxide.

How to Shock a Pool The Right Way

How to Shock a Pool The Right Way

Learn how to shock a pool, which type of shock to use, and how much to add. Get the step-by-step guide to safe, effective pool shocking.

How to Add Chlorine to a Pool (Tablets, Granules, Liquid)

How to Add Chlorine to a Pool (Tablets, Granules, Liquid)

Whether you’re using tablets, granules, or liquid chlorine, you need to add chlorine to your pool about once a week. So here’s a quick guide...

How to Raise Free Chlorine Levels in a Pool

How to Raise Free Chlorine Levels in a Pool

There are a few causes of low chlorine in a pool. But they're easy to fix. So here's a quick guide on how to raise free chlorine in your pool.

How Much Chlorine Should I Add to My Pool?

How Much Chlorine Should I Add to My Pool?

How much chlorine does your pool need? It depends on the size of your pool and what type of chlorine you buy. Here's our complete guide...

Stabilized vs. Unstabilized Chlorine: What’s the Difference?

Stabilized vs. Unstabilized Chlorine: What’s the Difference?

Learn the difference between stabilized and unstabilized chlorine so you can choose the one that will work best in your pool.

Free Chlorine vs. Total Chlorine: What are the Right Levels For Your Pool?

Free Chlorine vs. Total Chlorine: What are the Right Levels For Your Pool?

Is there enough free chlorine in your pool? If not, the pool's not as clean as you think it is. The key is understanding both total and free chlorine.